1324. Didumos -- Didymus.
... Thomas. Word Origin "twin," Didymus, Gr. surname of the apostle Thomas (cf.
Thomas) NASB Word Usage Didymus (3). Didymus. Prolongation ...
/greek/1324.htm - 6kJohn 11:16
Then said Thomas, which is called Didymus, to his fellow disciples, Let us also go, that we may die with him.
Nave's Topical Index—AKJV