köken: From Middle High German īs, from Old High German īs, from Proto-West Germanic *īs, from Proto-Germanic *īsą, from Proto-Indo-European *h₁eyH-. Etymology 1, noun sense 2 is a semantic loan from French glace.
köken: Perfect participle of καταψύχομαι (katapsýchomai), passive voice of καταψύχω (katapsýcho). Semantic loan from French surgelé or from English refrigerated. The medieval κατεψυγμένος (katepsugménos), with different sense: "destroyed from cold".
köken: jäätää (“to freeze”) + -lö or possibly through dialectal jäädellä (“to (slowly) freeze”), thus equivalent to jäätää + -ellä + -ö. Coined by Finnish physician and philologist Elias Lönnrot in 1874.