Where does “ni” come from?

ni (Italian) comes from Italian no, from English Nō, from Middle English no, from Old English nā, from Old English ne, from Old English ealles, from Old English -es, from Proto-Germanic -as — Creates action nouns or result nouns from verbs;...

ni (Italian): Neither yes nor no; nu

Definitions

  1. Neither yes nor no; nu

Ancestry of “ni”, step by step

ni traces back through two separate lines of ancestry.

via Italian no

StepLanguageWordMeaning
1Italiannono; not; Used to replace negated nouns or...
2EnglishNō—
3Middle Englishnono
4Old Englishnāno
5Old Englishnenot; or, and not; "ne... ne..." is used to mean "...
6Old Englisheallescompletely, wholly, entirely; totally,...
7Old English-espossessive marker, indicating that an object...
8Proto-Germanic-asused in formation of adverbs
9Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
10Proto-Indo-European-ess—
11Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via Italian sì

StepLanguageWordMeaning
1Italiansìyes; so
2Italianbeneupper-class, posh, high; well, nicely, OK, right;...
3Latinbenewell; properly, exactly; agreeably, favorably
4Latinbonusgood, honest, brave, noble, kind, pleasant;...
5Old LatinduenosAlternative form of duonus
6Proto-Italicdwenosgood
7Proto-Indo-Europeandew-to show favour, revere; to fail, to lag, to be...
Every word from Proto-Indo-European -os →Every word from Old English -es →Every word from Old English ealles →