Where does “tukkapinni” come from?

tukkapinni (Finnish) comes from Finnish pinni, from Swedish pinne, from Old Norse pinni, from Proto-Germanic penn-, from Latin penna, from Proto-Italic petnā, from Proto-Indo-European péth₂r̥, from Proto-Indo-European peth₂- — to spread out; to fly.

Ancestry of “tukkapinni”, step by step

tukkapinni traces back through two separate lines of ancestry.

via Finnish pinni

StepLanguageWordMeaning
1Finnishpinnihairpin; pin; Third-person singular indicative...
2Swedishpinnea stick; a short thin roughly cylindrical form of...
3Old Norsepinnia pin
4Proto-Germanicpenn-
5Latinpennawing; feather, especially a flight-feather;...
6Proto-Italicpetnāfeather; wing
7Proto-Indo-Europeanpéth₂r̥wing; feather
8Proto-Indo-Europeanpeth₂-to spread out; to fly

via Finnish tukka

StepLanguageWordMeaning
1Finnishtukkahair
2Proto-Finnictukkahair on the head
3Proto-Uralicčukka
Every word from Proto-Indo-European peth₂-Every word from Proto-Indo-European péth₂r̥Every word from Proto-Italic petnā