Quick answer
Archelaus is a boy name with Latinized roots meaning "master of the people".
Pronunciation: American English /ɑɹ.kɪ.ˈleɪ.əs/; British English /ɑː.kɪ.ˈleɪ.əs/.
Meaning and history
Latinized form of the Greek name Ἀρχέλαος (Archelaos), which meant "master of the people" from ἀρχός ( archos ) meaning "master" and λαός ( laos ) meaning "people". This was the name of a son of Herod the Great. He ruled over Judea, Samaria and Idumea.
Notes and context
Usage: ancient greek, biblical latin, biblical | Ancient Greek: Ἀρχέλαος