Where does “botter” come from?

botter (Middle Low German) comes from Old Saxon butera, from Proto-West Germanic buterā, from Latin būtȳrum, from Ancient Greek βούτυρον, from Ancient Greek τυρός, from Proto-Hellenic tūrós, from Proto-Indo-European tuh₂-ró-s, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

Ancestry of “botter”, step by step

Step	Language	Word	Meaning
1	Old Saxon	butera	—
2	Proto-West Germanic	buterā	butter
3	Latin	būtȳrum	butter
4	Ancient Greek	βούτυρον	butter
5	Ancient Greek	τυρός	cheese
6	Proto-Hellenic	tūrós	cheese
7	Proto-Indo-European	tuh₂-ró-s	—
8	Proto-Indo-European	tewh₂-	to swell; to crowd; to be strong

Words derived from “botter”

Botter
Botter

Every word from Proto-Indo-European tewh₂- →Every word from Proto-Indo-European tuh₂-ró-s →Every word from Proto-Hellenic tūrós →