Where does “pikkukaalikärpänen” come from?

pikkukaalikärpänen (Finnish) comes from Finnish kaalikärpänen, from Finnish kaali, from Old Swedish kāl, from Old Norse kál, from Old English cāwel, from Proto-West Germanic *kauli, from Latin caulis, from Ancient Greek καυλός.

Ancestry of “pikkukaalikärpänen”, step by step

pikkukaalikärpänen traces back through two separate lines of ancestry.

via Finnish kaalikärpänen

StepLanguageWordMeaning
1Finnishkaalikärpänencabbage fly, cabbage root fly, root fly, turnip...
2Finnishkaalicabbage; Brassica, a plant genus in Brassicaceae;...
3Old Swedishkāl
4Old Norsekálcabbage, kale
5Old Englishcāwelcolewort
6Proto-West Germanic*kaulicabbage, colewort
7Latincaulisdative plural of caulae; ablative plural of...
8Ancient Greekκαυλόςstem, stalk; shaft
9Proto-Indo-Europeankeh₂ulós

via Finnish pikku

StepLanguageWordMeaning
1Finnishpikkulittle, small; little old
2Finnishpienilittle, small; Third-person singular indicative...
3Proto-Finnicpeenilittle, small; fine
Every word from Proto-Indo-European keh₂ulós