Where does “baptidiō” come from?

baptidiō (Ecclesiastical Latin) comes from Late Latin baptizo, from Ancient Greek βαπτίζω, from Ancient Greek βάπτω, from Proto-Hellenic gʷápťō, from Proto-Indo-European gʷh₂bʰ-yé-ti, from Proto-Indo-European gʷeh₂bʰ- — to dive, dive in.

Ancestry of “baptidiō”, step by step

Step	Language	Word	Meaning
1	Late Latin	baptizo	I baptize
2	Ancient Greek	βαπτίζω	to dip, plunge; to immerse; to drown, sink
3	Ancient Greek	βάπτω	I dip, submerge; I dye, colour; I baptise
4	Proto-Hellenic	gʷápťō	to dip, submerge
5	Proto-Indo-European	gʷh₂bʰ-yé-ti	—
6	Proto-Indo-European	gʷeh₂bʰ-	to dive, dive in

Words derived from “baptidiō”

batiſà

Every word from Proto-Indo-European gʷeh₂bʰ- →Every word from Proto-Indo-European gʷh₂bʰ-yé-ti →Every word from Proto-Hellenic gʷápťō →