سير

مَسِيرٌ ذ an inf. n. of سَارَ. (S, M, A, &c.) ― -b2- [Also A place, and a time, of going, or journeying. ] ― -b3- And pass. part. n. of سَارَ; (Msb, MF;) [and so ↓ مَسُورٌ, for] you say طَرِيقٌ مَسُورٌ, (K,) or طَرِيقٌ مَسُورٌ فِيهِ, (IJ, M,) [ A travelled road, ] and رَجُلٌ مَسُورٌ بِهِ [ A man made to go, or journey, &c.]: (IJ, M, K:) accord. to Kh, in this case, and in others like it, the ى is changed into و [so that مَسْيُورٌ, the original form of مَسِيرٌ and of مَسُورٌ, becomes مَسْوُورٌ, and is then contracted into مَسُورٌ]: (M:) or, accord. to Kh, the ى is rejected: but accord. to Akh, it is the و that is rejected [so that مَسْيُورٌ becomes مَسْيُرٌ; and then, مَسُيْرٌ; and then مَسُورٌ]. (TA.)