עָרַב

English (Strong)

a primitive root (identical with עָרַב through the idea of covering with a texture); to grow dusky at sundown: be darkened, (toward) evening.
a primitive root; to braid, i.e. intermix; technically, to traffic (as if by barter); also or give to be security (as a kind of exchange): engage, (inter-)meddle (with), mingle (self), mortgage, occupy, give pledges, be(-come, put in) surety, undertake.