غبن

غَبِينَةٌ ذ [The act of cheating, deceiving, overreaching, or defrauding; or of endamaging; in selling or the like;] a subst. (S, Msb, K) from [the inf. n.] غَبْنٌ, like شَتِيمَةٌ from شَتْمٌ, (S,) [or] from غَبَنَهُ (Msb, K) used in relation to selling, (K,) or in relation to a price &c. (Msb.)