Where does “noncircadian” come from?

noncircadian (English) comes from English circadian, from Latin diēs, from Proto-Italic djēm, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws, from Proto-Indo-European dyew- — to be bright; sky, heaven.

noncircadian (English): Not circadian

Definitions

  1. Not circadian

Ancestry of “noncircadian”, step by step

noncircadian traces back through two separate lines of ancestry.

via English circadian

StepLanguageWordMeaning
1Englishcircadianof, relating to, or showing rhythmic behaviour...
2LatindiēsA day, particularly
3Proto-Italicdjēmaccusative singular of *djous
4Proto-Italic*djous
5Proto-Indo-Europeandyḗwssky, heaven; sky god
6Proto-Indo-Europeandyéwssky, heaven
7Proto-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