Sigh

Chamber's Twientieth Century Dictionary · 1908 · p. 98

sī, v.i. to inhale and respire with a long, deep, and audible breathing, as in love or grief: to sound like sighing.— v.t. to expre by sighs.— n. a long, deep, audible respiration.— n. Sigh′er .— adj. Sigh′ful .— adv. Sigh′ingly . [A.S. sícan ; Sw. suck a .]