This is the 1055th most frequent Japanese word.
委
"委" means "entrust" or "delegate."
Here, 『委』 is used in the word 『委員会』 (committee), where it represents the idea of delegation or entrustment within an organizational body.
委員会は明日会議を開きます。
The committee will hold a meeting tomorrow.
In this sentence, 『委』 appears in the verb 『委ねる』 (to entrust), emphasizing the act of delegating or assigning responsibility to someone.
彼にその仕事を委ねた。
I entrusted the work to him.
Here, 『委』 is part of the word 『委託』 (commission, entrusting), expressing the notion of formally assigning a task or responsibility to another party.