intransitive verb Etymology: Middle English swoughen, from Old English swōgan; akin to Gothic gaswogjan to groan, Lithuanian svagėti to sound Date: before 12th century to make a moaning or sighing sound, ~ noun
SOUGH
Meaning of SOUGH in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012