Where does “grimalkin” come from?

grimalkin (English) comes from English malkin, from English Malde, from English Matilda, from Old French Mathilde, from Old High German maht, from Proto-West Germanic mahti, from Proto-Germanic mahtiz, from Proto-Germanic mahtuz — to be able.

grimalkin (English): A cat, especially an elderly female; A...

Definitions

  1. A cat, especially an elderly female; A...

Ancestry of “grimalkin”, step by step

grimalkin traces back through two separate lines of ancestry.

via English malkin

StepLanguageWordMeaning
1EnglishmalkinA lower-class or uncultured woman; a...
2EnglishMalde
3EnglishMatildaEither of two British infantry tanks in use...
4Old FrenchMathilde
5Old High Germanmahtmight
6Proto-West Germanicmahtimight, power
7Proto-Germanicmahtizpower, ability; strength, force
8Proto-Germanicmahtuzmight, power
9Proto-Indo-Europeanmógʰtis
10Proto-Indo-Europeanmeǵʰ-to be able

via English Grey

StepLanguageWordMeaning
1EnglishGreyA member of the Royal Scots Greys, a cavalry...
2Middle Englishgreygrey, dull, drab; glinting, glistening; grey
3Old Englishgrǣġ
4Proto-West Germanic*grāugrey
5Proto-Germanicgrēwazgrey
6Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European meǵʰ-Every word from Proto-Indo-European mógʰtisEvery word from Proto-Germanic mahtuz