Where does “peyor” come from?

peyor (Old Portuguese) comes 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 “peyor”, step by step

Step	Language	Word	Meaning
1	Latin	peior	worse
2	Latin	malus	unpleasant, distressing, painful, nasty, bad;...
3	Ancient Greek	μηλέα	apple tree
4	Ancient Greek	μῆλον	apple; any fruit from a tree; a woman's breast
5	Proto-Indo-European	(s)meh₁l-	small animal”; small animal

Words derived from “peyor”

pior
piorio
piurso

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