Where does “madeirankeiju” come from?

madeirankeiju (Finnish) comes from Finnish madeira, from Portuguese Madeira, from Old Portuguese madeira, from Latin māteria, from Latin māter, from Proto-Italic mātēr, from Proto-Indo-European méh₂tēr — mother.

madeirankeiju (Finnish): band-rumped storm petrel, Madeiran storm petrel, Oceanodroma castro

Definitions

  1. band-rumped storm petrel, Madeiran storm petrel, Oceanodroma castro

Ancestry of “madeirankeiju”, step by step

madeirankeiju traces back through two separate lines of ancestry.

via Finnish madeira

StepLanguageWordMeaning
1FinnishmadeiraMadeira fortified wine produced on Madeira
2PortugueseMadeiraEllipsis of vinho da Madeira
3Old Portuguesemadeira—
4Latinmāteriamatter; material; component stuff; substance
5Latinmātermother female parent
6Proto-Italicmātērmother
7Proto-Indo-Europeanméh₂tērmother

via Finnish keiju

StepLanguageWordMeaning
1FinnishkeijuA fairy
Every word from Proto-Indo-European méh₂tēr →Every word from Proto-Italic mātēr →Every word from Latin māter →