Where does “vernacularly” come from?

vernacularly (English) comes from English vernacular, from Latin vernāculus, from Latin -culus, from Proto-Italic *-kelos — Diminutive suffix.

vernacularly (English): In a vernacular way

Definitions

  1. In a vernacular way

Ancestry of “vernacularly”, step by step

vernacularly traces back through two separate lines of ancestry.

via English vernacular

StepLanguageWordMeaning
1EnglishvernacularThe language of a people or a national language;...
2Latinvernāculusnative, domestic, indigenous, vernacular (originally of slaves)
3Latin-culusAlternative form of -ulus; added to a noun to...
4Proto-Italic*-kelosDiminutive suffix

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Italic *-kelos →Every word from Latin -culus →Every word from Latin vernāculus →