mussati

v. intrs. to forget, to pass into oblivion, to become bewildered to become careless DN.i.19 (sati m.); Ja.v.369 (id.); Snp.815 (= nassati Snp-a.536; = parimussati, paribāhiro hoti Mnd.144)
pp muṭṭha. Cpp. pa˚, pari˚.

= mṛṣ, mṛṣyati; to which musā “wrongly,” quite diff. in origin fr. micchā: mṛṣā → mithyā. Dhtm.437 defines by “sammose,” i.e. forgetfulness