Where does “hevosenharja” come from?

hevosenharja (Finnish) comes from Finnish harja, from Russian Харитон, from Finnish -nen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

hevosenharja (Finnish): mane of a horse

Definitions

mane of a horse

Ancestry of “hevosenharja”, step by step

hevosenharja traces back through two separate lines of ancestry.

via Finnish harja

Step	Language	Word	Meaning
1	Finnish	harja	brush; mane; crest
2	Russian	Харитон	—
3	Finnish	-nen	Forms diminutives nouns or terms expressing...
4	Finnish	-inen	-like, -ous, -y; -en; Creates adjectives from...
5	Finnish	-uus	Forms nouns from adjectives, expressing a quality
6	Proto-Finnic	-uc	-ness, -hood

via Finnish hevonen

Step	Language	Word	Meaning
1	Finnish	hevonen	horse, "Equus caballus"; horse; knight
2	Proto-Finnic	hepoinen	horse
3	Proto-Finnic	hepoi	horse

Every word from Proto-Finnic -uc →Every word from Finnish -inen →Every word from Finnish -uus →