Administrator
来自Big Physics
wiktionary
Borrowed from Latin administrātor(literally “he that is near to attend”).
etymonline
administrator (n.)
"one who has been given authority to manage," mid-15c., administratour, from Old French administrateur or directly from Latin administrator "a manager, conductor," agent noun from past-participle stem of administrare "to manage, control, superintend" (see administer). Estate sense is earliest. For ending, see -er.
