# Valentinus

> English word · Proper noun

## Definitions
1. A Gnostic theologian who lived in Egypt and Rome c. 100 – c. 153.

## Etymology
Borrowed from Latin Valentīnus (“Valentine”), a patronymic from Valēns (Roman cognomen), itself nominalized from vālens (“strong, healthy”) + -īnus (“-ine”). Doublet of Valentine, Valentino, Valentina, and Valentini.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/valentinus