Where does “pikkuhuilu” come from?

pikkuhuilu (Finnish) comes from Finnish pikku, from Finnish pieni, from Proto-Finnic peeni — little, small; fine.

Ancestry of “pikkuhuilu”, step by step

pikkuhuilu traces back through two separate lines of ancestry.

via Finnish pikku

StepLanguageWordMeaning
1Finnishpikkulittle, small; little old
2Finnishpienilittle, small; Third-person singular indicative...
3Proto-Finnicpeenilittle, small; fine

via Finnish huilu

StepLanguageWordMeaning
1Finnishhuiluflute
2Proto-Germanicsweglōflute
Every word from Proto-Finnic peeni