H631 [אָסַר] tie, bind, imprison
Qal .
1 . tie, bind, for security
2 . tie, harness
3 . bind, with cords
4 . gird (rare & late)
5 . begin the battle, make the attack
6 . fig. of obligation of oath or vow
Niph . be bound, imprisoned
Pu . be taken prisoner