Where does “isogrisoni” come from?

isogrisoni (Finnish) comes from Finnish grisoni, from English grison, from Old French gris, from Vulgar Latin grisus, from Proto-Germanic grīsaz — grey; terrible; frightening.

Ancestry of “isogrisoni”, step by step

isogrisoni traces back through two separate lines of ancestry.

via Finnish grisoni

StepLanguageWordMeaning
1Finnishgrisonigrison; greater grison, Galictis vittata
2EnglishgrisonA small, carnivorous South American mammal, of...
3Old Frenchgrisgray
4Vulgar Latingrisus—
5Proto-Germanicgrīsazgrey; terrible; frightening

via Finnish iso

StepLanguageWordMeaning
1Finnishisobig; large; great
2Finnishisäfather; Father
3Proto-Finnicicäfather
4Proto-Uralicićäfather
Every word from Proto-Germanic grīsaz →Every word from Vulgar Latin grisus →Every word from Old French gris →