Where does “sēsquidiurnus” come from?

sēsquidiurnus (Latin) comes from Latin sēsquidiēs, 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.

sēsquidiurnus (Latin): occurring once every day and a half (thirty-six hours), sesquidiurnal

Definitions

  1. occurring once every day and a half (thirty-six hours), sesquidiurnal

Ancestry of “sēsquidiurnus”, step by step

StepLanguageWordMeaning
1Latinsēsquidiēsa day and a half, one-and-a-half days
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
Every word from Proto-Indo-European dyew- →Every word from Proto-Indo-European dyéws →Every word from Proto-Indo-European dyḗws →