See sie.
A Middle English preterit of see.
To heave or draw a sigh (see sigh, n.); make an audible inspiration and expiration indicative of some emotion; make an expressive respiratory sound: as, to sigh with grief or disappointment, or (less commonly) from satisfaction or the sense of relief.
Hence To experience an oppressive mental sensation; yearn or long, as from a special access of emotion or desire: often with for: as, to sigh for the good old times.
To make a sound resembling or suggestive of a sigh; sound with gentle or subdued mournfulness: said of things, especially the wind and its effects.
To emit, use, or act upon or in regard to with sighs or in sighing; utter, express, lament, etc., with sighing utterance or feeling: used poetically with much latitude: as, to sigh out one's love, pleasure, or grief.
noun.
A sudden involuntary deep-drawn inspiration of breath, followed by its more or less audible expiration, usually expressive of some emotion or sensation: as, a sigh of grief, chagrin, relief, pleasure, or fatigue.