Where does “infissile” come from?

infissile (English) comes from English fissile, from Latin fissilis, from Latin findō, from Proto-Italic findō, from Proto-Indo-European bʰeyd-, from Proto-Indo-European bʰey- — bee.

Ancestry of “infissile”, step by step

infissile traces back through two separate lines of ancestry.

via English fissile

Step	Language	Word	Meaning
1	English	fissile	Able to be split; Easily split along a grain;...
2	Latin	fissilis	able to be split
3	Latin	findō	to cleave, break up, separate, divide, split, part
4	Proto-Italic	findō	split, cleave
5	Proto-Indo-European	bʰeyd-	to split
6	Proto-Indo-European	bʰey-	bee

via English in

Step	Language	Word	Meaning
1	English	in	Used to indicate location, inclusion, or position...
2	Middle English	in	Any kind of accomodation; particularly; A home or...
3	Old English	in	in; Alternative form of inn
4	Proto-West Germanic	*in	—

Every word from Proto-Indo-European bʰey- →