ぬ auxiliary verb Irregular English jmdict 1 irregular nu verb archaic indicates completion following ～ます stem of a verb
寝ぬ Nidan verb (lower class) with 'nu' ending (archaic) Intransitive English jmdict 1 intransitive verb archaic to lie down;to go to bed;to go to sleep See also: 寝る (ねる)
Shirabe