FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

bapto βάπτω — bap'-to — 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.