Where does “nigheth” come from?

nigheth (English) comes from English nigh, from Middle English neygh, from Old English nēah, from Proto-West Germanic *nāhw — near, close.

Ancestry of “nigheth”, step by step

nigheth traces back through two separate lines of ancestry.

via English nigh

StepLanguageWordMeaning
1Englishnighnear, close by; Not remote in degree, kindred,...
2Middle EnglishneyghPhysically near or adjacent; Figuratively near;...
3Old Englishnēahnigh, near; near
4Proto-West Germanic*nāhwnear, close

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-West Germanic *nāhwEvery word from Old English nēahEvery word from Middle English neygh