Where does “mer” come from?

mer (Aromanian) comes from Vulgar Latin melus, from Latin malus, from Ancient Greek μηλέα, from Ancient Greek μῆλον, from Proto-Indo-European (s)meh₁l- — small animal”; small animal.

mer (Aromanian): apple; apple tree

Definitions

apple; apple tree

Ancestry of “mer”, step by step

mer traces back through two separate lines of ancestry.

via Vulgar Latin melus

Step	Language	Word	Meaning
1	Vulgar Latin	melus	apple tree
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

via Late Latin mēlum

Step	Language	Word	Meaning
1	Late Latin	mēlum	—
2	Latin	mālum	evil, adversity, hardship, misfortune, calamity, disaster, mischief
3	Doric Greek	μᾶλον	apple

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