Where does “nitty” come from?

nitty (English) comes from English nitty-gritty, from English gritty, from English -y, from Middle English -y, from Old English -iġ, from Proto-West Germanic -g, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

nitty (English): Full of nits; Foolish, inane; A dope fiend, a...

Definitions

  1. Full of nits; Foolish, inane; A dope fiend, a...

Ancestry of “nitty”, step by step

nitty traces back through two separate lines of ancestry.

via English nitty-gritty

StepLanguageWordMeaning
1Englishnitty-grittyThe core or essence of something; the details
2EnglishgrittyContaining sand or grit; consisting of grit;...
3English-yAdded to nouns and adjectives to form adjectives...
4Middle English-yDesignates an adjective, in many cases formed by...
5Old English-iġ-y, -ic
6Proto-West Germanic-gForms adjectives from nouns and verbs with a...
7Proto-Germanic-gaz-y
8Proto-Indo-European-ḱos-y, -ic

via Latin nitidus

StepLanguageWordMeaning
1Latinnitidusshining, polished, glittering; handsome,...
2Latin-idustending to
3Proto-Italic*-iðos—

Words derived from “nitty”

Every word from Proto-Indo-European -ḱos →Every word from English -y →Every word from Old English -iġ →