STEP Liddell–Scott–Jones: Ματθαῖος

Μαθθαῖος (Rec. Ματθ-, see WH, App., 159; Bl., § 3, 11; on the Semitic form, see Dalman, Words, 51; Gr., 142), -ου, ὁ,

Matthew: Mt title., Mat.9:9 10:3, Mrk.3:18, Luk.6:15, Act.1:13 (cf. Λευεί).†

(From Abbott-Smith. LSJ has no entry)