be·lea·guer 
(b
ĭ-l
ēg
ər)
tr.v. be·lea·guered,
be·lea·guer·ing,
be·lea·guers 1. To harass; beset: We are beleaguered by problems.
2. To surround with troops; besiege: The enemy beleaguered the enclave.
[Probably Dutch belegeren : be-, around (from Middle Dutch bie; see ambhi in the Appendix of Indo-European roots) + leger, camp; see legh- in the Appendix of Indo-European roots.]
be·leaguer·ment n.