Where does “peiren” come from?

peiren (Middle English) comes from Middle English apeiren, from Old French empeirier, from Late Latin peioro, from Latin peior, from Latin malus, from Ancient Greek μηλέα, from Ancient Greek μῆλον, from Proto-Indo-European (s)meh₁l- — small animal”; small animal.

Ancestry of “peiren”, step by step

peiren traces back through two separate lines of ancestry.

via Middle English apeiren

Step	Language	Word	Meaning
1	Middle English	apeiren	damage; perish
2	Old French	empeirier	—
3	Late Latin	peioro	I make worse; I aggravate
4	Latin	peior	worse
5	Latin	malus	unpleasant, distressing, painful, nasty, bad;...
6	Ancient Greek	μηλέα	apple tree
7	Ancient Greek	μῆλον	apple; any fruit from a tree; a woman's breast
8	Proto-Indo-European	(s)meh₁l-	small animal”; small animal

via Middle English empeiren

Step	Language	Word	Meaning
1	Middle English	empeiren	—

Every word from Proto-Indo-European (s)meh₁l- →Every word from Ancient Greek μῆλον →Every word from Ancient Greek μηλέα →