Where does “kylpyharja” come from?

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

kylpyharja (Finnish): bath-brush

Definitions

bath-brush

Ancestry of “kylpyharja”, step by step

kylpyharja 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 kylpy

Step	Language	Word	Meaning
1	Finnish	kylpy	bath
2	Finnish	-u	Forms nouns from verbs. Most common with "e"- and...
3	Proto-Finnic	-u	Forms nouns from adjectives, nouns

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