Where does “korkeaikäinen” come from?

korkeaikäinen (Finnish) comes from Finnish ikäinen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

korkeaikäinen (Finnish): old-aged

Definitions

  1. old-aged

Ancestry of “korkeaikäinen”, step by step

korkeaikäinen traces back through two separate lines of ancestry.

via Finnish ikäinen

StepLanguageWordMeaning
1Finnishikäinen.. old; of one's age; at the age of, aged
2Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
3Finnish-uusForms nouns from adjectives, expressing a quality
4Proto-Finnic-uc-ness, -hood

via Finnish korkea

StepLanguageWordMeaning
1Finnishkorkeahigh; tall, high
2Proto-Finnickorkedatall, high
Every word from Proto-Finnic -uc →Every word from Finnish -inen →Every word from Finnish -uus →