Where does “eniȝ” come from?

eniȝ (Middle English) comes from Old English āniġ, from Proto-Germanic ainagaz, from Proto-Germanic ainaz, from Proto-Indo-European óynos — one; single.

Ancestry of “eniȝ”, step by step

eniȝ traces back through two separate lines of ancestry.

via Old English āniġ

StepLanguageWordMeaning
1Old Englishāniġany
2Proto-Germanicainagazonly; sole; singular; unique
3Proto-Germanicainazone; some
4Proto-Indo-Europeanóynosone; single

via Old English ǣniġ

StepLanguageWordMeaning
1Old Englishǣniġany
2Proto-West Germanic*ainagonly, sole
Every word from Proto-Indo-European óynos →Every word from Proto-Germanic ainaz →Every word from Proto-Germanic ainagaz →