Word Origin & History
sough (v.)
"to make a moaning or murmuring sound," O.E. swogan, from P.Gmc. *swoganan (cf. O.S. swogan "to rustle," Goth. gaswogjan "to sigh"), from PIE imitative base *(s)wagh- (cf. Gk. echo). The noun is c.1381, from the verb.