Where does “knighteth” come from?

knighteth (English) comes from English Knight, from Middle English knight, from Old English cniht, from Proto-West Germanic kneht — youth, boy; servant, knight.

knighteth (English): Third-person singular simple present indicative...

Definitions

  1. Third-person singular simple present indicative...

Ancestry of “knighteth”, step by step

knighteth traces back through two separate lines of ancestry.

via English Knight

StepLanguageWordMeaning
1EnglishKnightfor someone who was a mounted soldier
2Middle Englishknightknight
3Old Englishcnihtboy; servant, attendant; male of high military...
4Proto-West Germanicknehtyouth, boy; servant, knight

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-West Germanic knehtEvery word from Old English cnihtEvery word from Middle English knight