arch-
/ɑːtʃ/combining form
1- chief; principal表示“主要的”, “为首的”：
archbishop
archdiocese.
1.1
- pre-eminent of its kind; out-and-out表示“同类中杰出的”, “极端的”：
arch-enemy.
词源
via Latin from Greek arkhi-, from arkhos 'chief'.