Where does “気が気でない” come from?

気が気でない (Japanese) comes from Japanese が, from Finnish -nka — Forms nouns, mainly bird names (in dialects) and some toponyms.

気が気でない (Japanese): very anxious, very worried, feeling uneasy; can't help but be worried

Definitions

  1. very anxious, very worried, feeling uneasy; can't help but be worried

Ancestry of “気が気でない”, step by step

気が気でない traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1JapaneseIndicates the subject of a sentence; conjunction;...
2Finnish-nkaForms nouns, mainly bird names (in dialects) and some toponyms

via Japanese

StepLanguageWordMeaning
1Japanesespirit, mood; inclination, will, mood, urge;...
2Middle Chinesespirit; breath

via Japanese でない

StepLanguageWordMeaning
1Japaneseでない
Every word from Finnish -nkaEvery word from Japanese