The headword is a verb in the present active indicative, first person singular; cf. nu 490, cognate substantives at nu 492, and generally LSJ s.v.
[1] The headword is identically glossed in the Synagoge, Photius' Lexicon (nu256 Theodoridis), and Lexica Segueriana 309.29; cf. Hesychius nu659 s.v. noshleu/etai (he/she/it is tended to in illness, present middle/passive indicative, third person singular form of the headword).