غَىٌّ

is a verbal noun; as also ↓ غَوَايَةٌ; (A 'Obeyd, S, &c.; [see 1, first sentence;]) or the latter is a simple subst.: (Msb:) [both, used as substs., signify Error; &c.: ↓ غَيَّةٌ, of which the plural (غَيَّاتٌ) is mentioned by Freytag as meaning errors, from the Deewán of the Hudhalees, is a verbal noun of un., and signifies an error, &c.:] and غَىٌّ signifies also a state of perdition. (Ham p. 643.) See also غَيَّةٌ.

Also A certain valley in Hell: or a river [therein]: (K, TA:) prepared by God for those who err: it is said that it has one or the other of these meanings in the Qur'an, 19:60: (TA:) or it there means (assumed tropical:) punishment; because it is the consequence of غَىّ [properly thus termed]: (Er-Rághib, TA:) or it there means evil: or the recompense of غَىّ [i. e. of error]: or deviation from the way of Paradise. (Bd.)