1324. Didumos
Lexical Summary
Didumos: Twin

Original Word: Δίδυμος
Part of Speech: Noun, Masculine
Transliteration: Didumos
Pronunciation: DID-oo-mos
Phonetic Spelling: (did'-oo-mos)
KJV: Didymus
NASB: Didymus
Word Origin: [prolongation from G1364 (δίς - twice)]

1. double, i.e. twin
2. Didymus, a Christian

Strong's Exhaustive Concordance
Didymus.

Prolongation from dis; double, i.e. Twin; Didymus, a Christian -- Didymus.

see GREEK dis

NAS Exhaustive Concordance
Word Origin
"twin," Didymus, Gr. surname of the apostle Thomas (cf. Thómas)
NASB Translation
Didymus (3).

Thayer's Greek Lexicon
STRONGS NT 1324: δίδυμος

δίδυμος, διδυμη, διδυμον and Δίδυμος, Διδυμον, twofold, twain, (double, Homer, Odyssey 19, 227; as τριδυμος, triple; τετραδυμος, quadruple, ἑπταδυμος); hence, twin (namely, παῖς, as τριδυμοι παῖδες, υἱοί, German Drillinge, three born at a birth), Hebrew תְּאֹם, a surname of the apostle Thomas (cf. Luthardt on the first of the following passages; B. D. under the word, Thomas): John 11:16; John 20:24; John 21:2. (Homer Iliad 23, 641.)

Topical Lexicon
Name and Identity

Δίδυμος is the Greek rendering of the Aramaic name “Thomas,” both meaning “twin.” John’s Gospel regularly pairs the two names so that Greek-speaking readers understand that the apostle known throughout the early Church as Thomas carried a second, culturally accessible name. The repeated mention of the designation highlights an eyewitness touch in the Gospel narrative and underscores Thomas’s individuality among the Twelve.

Occurrences in the New Testament

John 11:16 – Thomas, called Didymos, exhorts the other disciples, “Let us also go, that we may die with Him.”
John 20:24 – After the resurrection, “Thomas, called Didymus, one of the Twelve, was not with the disciples when Jesus came.”
John 21:2 – Following the resurrection appearance in Galilee, Thomas again stands in the company of the core apostolic witnesses.

Character Portrait of Thomas

The three Johannine settings paint Thomas as earnest, forthright, and devoted. In John 11:16 he displays courageous loyalty, willing to accompany Jesus into danger near Jerusalem. In John 20 he insists on first-hand evidence of the risen Lord, not from cold skepticism but from a desire for authentic encounter. His readiness to speak what others may have silently wondered establishes him as both honest and teachable.

Confession and Faith Development

Thomas moves from resolve in the face of death (John 11) through doubt in the face of unexplained testimony (John 20:24-25) to the climactic confession, “My Lord and my God!” (John 20:28). This confession stands as the highest Christological declaration by any disciple in the Fourth Gospel and provides inspired confirmation of Christ’s full deity. Jesus immediately follows with the beatitude, “Blessed are those who have not seen and yet have believed” (John 20:29), positioning Thomas’s journey as a pattern that leads future believers beyond sight to faith grounded in apostolic witness.

Role in Johannine Theology

By attaching Δίδυμος to Thomas at every strategic juncture, John reinforces the reliability of the resurrection testimony. Thomas’s initial absence in John 20:24 intensifies the evidentiary value of his later confession; an outspoken skeptic becomes an eyewitness advocate. The literary symmetry—absence, demand for proof, encounter, confession—serves the evangelist’s stated purpose “that you may believe that Jesus is the Christ, the Son of God” (John 20:31).

Post-Resurrection Ministry Tradition

Early Christian writers (for example, Eusebius, Origen, and the Acts of Thomas) place Thomas’s subsequent ministry eastward—first to Parthia and Persia, then as far as India. Communities along the Malabar Coast trace their origins to his preaching, and a strong tradition locates his martyrdom near present-day Chennai. While Scripture is silent on these later labors, the historical memory of a missionary Thomas harmonizes with his biblical profile—once convinced, he carries the gospel to the ends of the earth.

Spiritual Lessons for Today’s Disciple

1. Honest inquiry is welcomed by the risen Christ; questions can lead to deeper conviction when pursued in humility.
2. True faith rests on objective resurrection evidence transmitted through trustworthy witnesses, not on perpetual demand for fresh signs.
3. Courage and doubt can coexist in the same heart; both are transformed through direct encounter with Jesus.
4. The climactic confession “My Lord and my God!” provides a succinct and sufficient response to every Christological challenge, anchoring worship and doctrine.
5. Like his namesake “twin,” every believer is called to mirror Christ to a watching world, moving from personal persuasion to global proclamation.

Forms and Transliterations
δίδυμα δίδυμοι Διδυμος Δίδυμος διδύμου διδύμων Didumos Didymos Dídymos
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
John 11:16 N-NMS
GRK: ὁ λεγόμενος Δίδυμος τοῖς συμμαθηταῖς
NAS: who is called Didymus, said
KJV: is called Didymus, unto his fellowdisciples,
INT: called Didymus to the fellow disciples

John 20:24 N-NMS
GRK: ὁ λεγόμενος Δίδυμος οὐκ ἦν
NAS: called Didymus, was not with them when
KJV: the twelve, called Didymus, was not
INT: the [one] called Didymus not was

John 21:2 N-NMS
GRK: ὁ λεγόμενος Δίδυμος καὶ Ναθαναὴλ
NAS: called Didymus, and Nathanael
KJV: Thomas called Didymus, and Nathanael
INT: called Didymus and Nathanael

Strong's Greek 1324
3 Occurrences


Δίδυμος — 3 Occ.

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