Where does “hiirenloukku” come from?
hiirenloukku (Finnish) comes from Finnish loukku, from Russian мышеловка, from Russian мышь, from Old East Slavic мꙑшь, from Proto-Slavic myšь, from Proto-Balto-Slavic *mū́ˀšis, from Proto-Indo-Iranian múHs, from Proto-Indo-European múh₂s — mouse.
hiirenloukku (Finnish): mousetrap
Ancestry of “hiirenloukku”, step by step