Where does “hamstraaminen” come from?

hamstraaminen (Finnish) comes from Finnish hamstrata, from Swedish hamstra, from Swedish hamster, from German hamster, from Middle High German hamster, from Old High German hamustro, from Old East Slavic хомѣсторъ, from Proto-Slavic *xoměstorъ — hamster.

Ancestry of “hamstraaminen”, step by step

StepLanguageWordMeaning
1FinnishhamstrataTo hoard
2Swedishhamstrato hoard or gather, to stock up, to collect (large) stocks for later use (like a hamster hides food in its cheeks)
3Swedishhamstera hamster
4Germanhamstersingular imperative of hamstern
5Middle High Germanhamsterhamster
6Old High Germanhamustrohamster
7Old East Slavicхомѣсторъhamster
8Proto-Slavic*xoměstorъhamster
Every word from Proto-Slavic *xoměstorъ