[sough] vi [ME swoughen, fr. OE swogan; akin to Goth gaswogjan to groan, Lith svageti to sound] (bef. 12c): to make a moaning or sighing sound -- sough n
SOUGH
Meaning of SOUGH in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012