Where does “rosoisuus” come from?

rosoisuus (Finnish) comes from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

rosoisuus (Finnish): jaggedness, ruggedness

Definitions

  1. jaggedness, ruggedness

Ancestry of “rosoisuus”, step by step

StepLanguageWordMeaning
1Finnish-uusForms nouns from adjectives, expressing a quality
2Proto-Finnic-uc-ness, -hood
Every word from Proto-Finnic -uc →Every word from Finnish -uus →