# basileus

> English word · Noun · IPA /ˌbæsɪˈleɪəs/

## Definitions
1. A title of the Byzantine emperor.

## Etymology
Borrowed from Ancient Greek βασιλεύς (basileús, “chief, king”).

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