There are multiple origins and meanings for the name Basil:
1. Comes from the ancient Greek word (βᾰσῐλεύς) [bathilefs] etymology - "king, lord, leader; kingly, royal; basil (plant)"
2. Arabic name (باسل) meaning - "brave, bold, valiant"
3. Comes from the Latin word basio - "kissing".
Basil of Caesarea