Where does “ekstensionaalisuus” come from?

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

ekstensionaalisuus (Finnish): extensionality

Definitions

  1. extensionality

Ancestry of “ekstensionaalisuus”, 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 →