Where does “juuriharja” come from?

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

juuriharja (Finnish): scrubbing brush

Definitions

scrubbing brush

Ancestry of “juuriharja”, step by step

juuriharja 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 juuri

Step	Language	Word	Meaning
1	Finnish	juuri	root; Short for taikinajuuri; a zero of a...
2	Proto-Finnic	juuri	root
3	Proto-Finno-Permic	jure	—

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