Where does “infidus” come from?

infidus (Latin) comes from Latin fīdus, from Latin findō, from Proto-Italic findō, from Proto-Indo-European bʰeyd-, from Proto-Indo-European bʰey- — bee.

infidus (Latin): untrustworthy, incredible; disloyal, unfaithful;...

Definitions

untrustworthy, incredible; disloyal, unfaithful;...

Ancestry of “infidus”, step by step

Step	Language	Word	Meaning
1	Latin	fīdus	trusty, trustworthy, dependable, credible
2	Latin	findō	to cleave, break up, separate, divide, split, part
3	Proto-Italic	findō	split, cleave
4	Proto-Indo-European	bʰeyd-	to split
5	Proto-Indo-European	bʰey-	bee

Words derived from “infidus”

infido
infidamente

Every word from Proto-Indo-European bʰey- →Every word from Proto-Indo-European bʰeyd- →Every word from Proto-Italic findō →