Where does “nondiurnal” come from?

nondiurnal (English) comes from English diurnal, from Latin diurnālis, from Latin diurnus, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws — to be bright; sky, heaven.

nondiurnal (English): Not diurnal

Definitions

  1. Not diurnal

Ancestry of “nondiurnal”, step by step

nondiurnal traces back through two separate lines of ancestry.

via English diurnal

StepLanguageWordMeaning
1EnglishdiurnalHappening or occurring during daylight, or...
2Latindiurnālisdiurnal of the day; that takes place during the day
3Latindiurnusof the day; daily; day
4LatindiēsA day, particularly
5Proto-Italicdjēmaccusative singular of *djous
6Proto-Italic*djous
7Proto-Indo-Europeandyḗwssky, heaven; sky god
8Proto-Indo-Europeandyéwssky, heaven
9Proto-Indo-Europeandyew-to be bright; sky, heaven

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European dyéwsEvery word from Proto-Indo-European dyḗws