Where does “fornuftig” come from?

fornuftig (Norwegian Bokmål) comes from Norwegian Bokmål -ig, from Old Norse -igr, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

fornuftig (Norwegian Bokmål): reasonable, sensible

Definitions

  1. reasonable, sensible

Ancestry of “fornuftig”, step by step

StepLanguageWordMeaning
1Norwegian Bokmål-ig-y; forms adjectives from nouns
2Old Norse-igr-y
3Proto-Germanic-gaz-y
4Proto-Indo-European-ḱos-y, -ic
Every word from Proto-Indo-European -ḱos →Every word from Proto-Germanic -gaz →Every word from Norwegian Bokmål -ig →