מַעֲרָב

From LSJ

ἐγγυητής τοῦ ἀργυρίου ἀξιόχρεωςtrustworthy guarantor for the money

Source

English (Strong)

from עָרַב, in the sense of trading; traffic; by implication, mercantile goods: market, merchandise.
or (feminine) maearabah; from עָרַב, in the sense of shading; the west (as a region of the evening sun): west.