Where does “lintukirppu” come from?

lintukirppu (Finnish) comes from Finnish lintu, from Proto-Finnic lintu, from Proto-Uralic lunta — bird; goose.

Ancestry of “lintukirppu”, step by step

lintukirppu traces back through two separate lines of ancestry.

via Finnish lintu

StepLanguageWordMeaning
1Finnishlintubird; poultry
2Proto-Finniclintubird
3Proto-Uralicluntabird; goose

via Finnish kirppu

StepLanguageWordMeaning
1Finnishkirppuflea
2Proto-Finnickirppuflea
Every word from Proto-Uralic lunta →Every word from Proto-Finnic lintu →Every word from Finnish lintu →