200s
Latin words first recorded in the 3rd century
185 Latin words whose earliest known written record dates from the 3rd century, earliest first (page 4). Words dated only to part of the century follow the ones with a year.
trias
300–399It is borrowed from Ancient Greek τριάς (triás, “the number three, triad”). The Greek word is formed on τρεῖς (treîs, “three”), from Proto-Indo-European *trei- (“three”).
visualis
300It is from Latin vīsus (“sight, the power of seeing”) + -ālis.
vitus
300–399Wiktionary takes it as inherited from Proto-Italic *weitus or *wītus, inherited from Proto-Indo-European *wéh₁itus, from the root *weh₁y- (“to twist, twine”). Walde likewise connected it with vieō…
biber
It is from Latin bibere (“to drink”), the present infinitive cut short to ⟨biber⟩ and then declined as a noun.
o
It is an expressive word, an exclamation. Köbler compares a PIE interjection Proto-Indo-European *ō. The use as a vocative particle (“O …!”) is a semantic loan from Ancient Greek ὦ (ô); older Latin…