Where does “rusotasku” come from?

rusotasku (Finnish) comes from Finnish tasku, from Old Swedish taska, from Proto-Germanic taskǭ, from Proto-Indo-European das-, from Translingual da, from English deca-, from French déca-, from Latin decās — front.

rusotasku (Finnish): black-eared wheatear, Oenanthe hispanica

Definitions

  1. black-eared wheatear, Oenanthe hispanica

Ancestry of “rusotasku”, step by step

rusotasku traces back through two separate lines of ancestry.

via Finnish tasku

StepLanguageWordMeaning
1Finnishtaskupocket
2Old Swedishtaska
3Proto-Germanictaskǭbag, purse; pouch, pocket
4Proto-Indo-Europeandas-
5Translingualda
6Englishdeca-Greek number...
7Frenchdéca-deca-
8Latindecāsa decade (period of ten years)
9Ancient Greekδεκάςthe number ten; a group of ten, decade
10Ancient Greek-ᾰ́ςgroup of
11Proto-Indo-European-óntsDerives nouns denoting body parts
12Hungarianöntto pour; to cast; accusative singular of ön
13Hungarianönyou
14Hungarianön-self-
15Turkishönfront

via Finnish ruso

StepLanguageWordMeaning
1FinnishrusoSynonym of rusko; red, reddish
2Finnishruskeabrown; A brown color
3Proto-Finnicruskedabrown, red
Every word from Turkish önEvery word from Ancient Greek -ᾰ́ςEvery word from English deca-