Where does “vernáculo” come from?

vernáculo (Portuguese) comes from Latin vernāculus, from Latin -culus, from Proto-Italic *-kelos — Diminutive suffix.

vernáculo (Portuguese): vernacular pertaining to everyday language

Definitions

  1. vernacular pertaining to everyday language

Ancestry of “vernáculo”, step by step

StepLanguageWordMeaning
1Latinvernāculusnative, domestic, indigenous, vernacular (originally of slaves)
2Latin-culusAlternative form of -ulus; added to a noun to...
3Proto-Italic*-kelosDiminutive suffix
Every word from Proto-Italic *-kelos →Every word from Latin -culus →Every word from Latin vernāculus →