# Phaethusa

> English word · Proper noun

## Definitions
1. A daughter of Helios and Neaera, the personification of the brilliant, blinding rays of the sun. With her sister, Lampetia, she guarded the cattle of Thrinacia.

## Etymology
From Ancient Greek Φαέθουσα (Phaéthousa, literally “radiance”).

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