ኣዱሊስ/Adulis/Ἄδουλις - Part 1: The Rise Of Adulis (300BC-200AD)
… The Christian Topography and the Kingdom of Axum, by L. P. Kirwan pg 168 ) Adulis (Greek: Ἄδουλις) breaks down as follows: Ἀ- (a-) → a prefix meaning “without” δουλ (doul) → from δοῦλος (doûlos), meaning “slave” …