Thayer's Greek Lexicon

 1. to dip, dip in, immerse
2. to dip into dye, to dye, colour

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Not to be confused with G0907, baptizo. The clearest example that shows
the meaning of baptizo is a text from the Greek poet and physician
Nicander, who lived about 200 B.C. It is a recipe for making pickles
and is helpful because it uses both words. Nicander says that in
order to make a pickle, the vegetable should first be 'dipped'
(bapto) into boiling water and then 'baptised' (baptizo) in the
vinegar solution. Both verbs concern the immersing of vegetables in a
solution. But the first is temporary. The second, the act of
baptising the vegetable, produces a permanent change.