Where does “crepuscularity” come from?

crepuscularity (English) comes from English crepuscular, from English -ar, from Middle English -ar, from Old English -ere, from Proto-West Germanic -ārī, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

crepuscularity (English): The quality of being crepuscular

Definitions

  1. The quality of being crepuscular

Ancestry of “crepuscularity”, step by step

StepLanguageWordMeaning
1EnglishcrepuscularOf or resembling twilight; dim; Active at or...
2English-arOf, near, or pertaining to; Forming nouns such as...
3Middle English-ar
4Old English-eremasculine agent suffix, originally applied only...
5Proto-West Germanic-ārī-er
6Proto-Germanic-ārijaz-er
7Latin-āriuser
8Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from English -ar