Where does “tähyslasi” come from?

tähyslasi (Finnish) comes from Finnish tähystää, from Finnish tähti, from Swedish täkt, from Swedish tå, from Swedish taga, from Old Swedish taka, from Old Norse taka, from Proto-Germanic tēkaną — to touch.

tähyslasi (Finnish): focusing screen

Definitions

  1. focusing screen

Ancestry of “tähyslasi”, step by step

tähyslasi traces back through two separate lines of ancestry.

via Finnish tähystää

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

via Finnish lasi

StepLanguageWordMeaning
1Finnishlasiglass; bells; ice
2Swedishglasglass
3Old Swedishglas
4Middle Low Germanglasglass
5Old Saxonglasglass
6Proto-West Germanicglasglass
7Proto-Germanicglasąglass
8Proto-Indo-Europeanǵʰel-to shine, glimmer, glow; to shimmer, gleam;...
Every word from Proto-Indo-European deh₁g-Every word from Proto-Germanic tēkanąEvery word from Old Norse taka
tähyslasi — Etymology, Origin & Word History | Etymology Explorer