Where does “tähtitieteellinen yksikkö” come from?

tähtitieteellinen yksikkö (Finnish) comes from Finnish tähtitieteellinen, from Finnish tähtitiede, from Finnish tähti, from Swedish täkt, from Swedish tå, from Swedish taga, from Old Swedish taka, from Old Norse taka — to touch.

tähtitieteellinen yksikkö (Finnish): astronomical unit

Definitions

  1. astronomical unit

Ancestry of “tähtitieteellinen yksikkö”, step by step

tähtitieteellinen yksikkö traces back through two separate lines of ancestry.

via Finnish tähtitieteellinen

StepLanguageWordMeaning
1Finnishtähtitieteellinenastronomical
2Finnishtähtitiedeastronomy
3Finnishtähtistar; a famous person, celebrity, star; a white...
4Swedishtäkta quarry
5Swedishtoe; a body part
6SwedishtagaDated form of ta
7Old Swedishtakato touch, reach; to grasp, seize; to take, bring
8Old Norsetakato take; taking, capture; taking, seizing
9Proto-Germanictēkanąto touch; to grasp
10Proto-Indo-Europeandeh₁g-to touch

via Finnish yksikkö

StepLanguageWordMeaning
1Finnishyksikköunit; singular; single
2Finnish-kköFront vowel variant of -kko
3Proto-Finnic-kkoiForms diminutive nouns
Every word from Proto-Indo-European deh₁g-Every word from Proto-Germanic tēkanąEvery word from Old Norse taka