Where does “mongolinpoimu” come from?

mongolinpoimu (Finnish) comes from Finnish mongoli, from Russian монго́л, from Mongolian Монгол, from Mongolian ᠮᠣᠩᠭᠣᠯ, from Latin -icus, from Ancient Greek -ικός, from Ancient Greek -κός, from Proto-Indo-European -ḱos — -y, -ic.

Ancestry of “mongolinpoimu”, step by step

mongolinpoimu traces back through two separate lines of ancestry.

via Finnish mongoli

StepLanguageWordMeaning
1FinnishmongoliMongol; Mongolian language
2Russianмонго́лMongol, Mongolian (person)
3MongolianМонголa Mongol, a Mongolian
4MongolianᠮᠣᠩᠭᠣᠯMongol, Mongolian
5Latin-icusbelonging to; derived from; of or pertaining to;...
6Ancient Greek-ικόςof or pertaining to, in the manner of; -ic
7Ancient Greek-κόςforms adjectives with the sense of 'of or...
8Proto-Indo-European-ḱos-y, -ic

via Finnish poimu

StepLanguageWordMeaning
1Finnishpoimufold, warp, crease, wrinkle, ruga
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns
Every word from Proto-Indo-European -ḱosEvery word from Ancient Greek -ικόςEvery word from Latin -icus