A primary verb; to whelm, i.e. Cover wholly with a fluid; in the New Testament only in a qualified or special sense, i.e. (literally) to moisten (a part of one's person), or (by implication) to stain (as with dye) -- dip.
a. to dip, dip in, immerse: τί, John 13:26 (but in 26 Lachmann ἐμβάψας, as in 26b L text R G); followed by a genitive of the thing into which the object is dipped (because only a part of it is touched by the act of dipping), Luke 16:24 (cf. ἅπτεσθαι τίνος, λούεσθαι ποταμοιο, Homer, Iliad 5, 6; 6, 508; cf. Buttmann, § 132, 25; (Winers Grammar, § 30, 8. c.)).
b. to dip into dye, to dye, color: ἱμάτιον αἵματι, Revelation 19:13 (Tdf. περιρεραμμενον, see under the word περιρραίνω; WH ῥεραντισμενον, see ῤαντίζω). (Herodotus 7, 67; Anth. 11, 68; Josephus, Antiquities 3, 6, 1.) (Compare: ἐμβάπτω.) STRONGS NT 911a: βαρ(βαρ(, Chaldean בַּר (cf. Psalm 2:12; Proverbs 31:2); βαρ Ἰωνᾶ son of Jonah (or Jonas): Matthew 16:17, where L T WH Βαριωνᾶ (which see) Barjonah (or Barjonas), as if a surname, like Βαρναβᾶς, etc. (R. V. Bar-Jonah. Cf. Ἰωνᾶς, 2.)