godan verb (-su), transitive verb
entrust; leave to
Used when giving someone full responsibility or leaving a matter in their hands. Often appears in the passive form 任される. Similar to 任せる, but 任す can sound slightly more formal or literary.
See also: 任せる
この仕事は彼に任した。
I entrusted this task to him.
細かい判
Detailed decisions are left to the on-site leader.