mosa

(˚-) adjective noun belonging to or untruth, false-; only in compounds -dhamma of a deceitful nature, false, AN.v.84 (kāma); Snp.739, Snp.757 & -vajja [fr. musā-vāda] false-speaking, lie, untruth SN.i.169; Snp.819, Snp.866, Snp.943; Mnd.152, Mnd.265; Cnd.515; Vv.12#6.

the guṇa (compound) form of musā