Where does “vestigially” come from?

vestigially (English) comes from English vestigial, from Latin vestigium, from Latin vē-, from Proto-Italic *djous, from Proto-Indo-European dyḗws, from Proto-Indo-European dyéws, from Proto-Indo-European dyew- — to be bright; sky, heaven.

vestigially (English): In a vestigial manner

Definitions

  1. In a vestigial manner

Ancestry of “vestigially”, step by step

vestigially traces back through two separate lines of ancestry.

via English vestigial

StepLanguageWordMeaning
1EnglishvestigialOf or pertaining to a vestige or remnant; like a...
2Latinvestigiumfootprint, track; trace, vestige, mark; sole of...
3Latinvē-too much, too little
4Proto-Italic*djous
5Proto-Indo-Europeandyḗwssky, heaven; sky god
6Proto-Indo-Europeandyéwssky, heaven
7Proto-Indo-Europeandyew-to be bright; sky, heaven

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European dyew-Every word from Proto-Indo-European dyéwsEvery word from Proto-Indo-European dyḗws