Where does “kolumbianmetsähiiri” come from?

kolumbianmetsähiiri (Finnish) comes from Finnish Kolumbia, from Spanish Colombia, from Spanish -ía, from Ancient Greek -είᾱ, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

Ancestry of “kolumbianmetsähiiri”, step by step

kolumbianmetsähiiri traces back through 3 separate lines of ancestry.

via Finnish Kolumbia

StepLanguageWordMeaning
1FinnishKolumbia
2SpanishColombiaColombia
3Spanish-íaSuffix indicating the first-person singular...
4Ancient Greek-είᾱSuperficially appears in abstract nouns derived from σ-stem adjectives, with the true suffix being
5Ancient Greek-ήςadjective suffix
6Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
7Proto-Indo-European-ess
8Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via Finnish hiiri

StepLanguageWordMeaning
1FinnishhiiriA mouse, used rather indiscriminately for a...
2Proto-Finnichiirimouse
3Proto-Uralicšiŋeremouse

via Finnish metsä

StepLanguageWordMeaning
1Finnishmetsäforest, woods; bush; hunting
2Proto-Finnic*meccä
3Proto-Balticmedjas
Every word from Proto-Indo-European -os