becloud

verb (used with object)

1. to darken or obscure with clouds.
2. to make confused: Angry words beclouded the issue.

verb (tr)

1. to cover or obscure with a cloud
2. to confuse or muddleto becloud the issues

v.

1590s, from be- + cloud. Figurative sense of “to obscure” is recorded from 1610s. Related: Beclouded; beclouding.