mid-13c., probably a Middle English back-formation from sighte, past tense of Old English sican "to sigh," perhaps echoic of the sound of sighing. Related: Sighed; sighing.
sigh (n.)
early 14c., from sigh (v.).
She sighed sadly
she heard the sigh of the wind in the trees
siesta
sieve
sift
sifter
sig
sigh
sight
sighting
sightless
sights
sightseeing