Same entry in Photius (nu214 Theodoridis), similar ones elswhere. The headword in any sense is unattested outside lexicography.
[1] The headword is a dialectal variant of the accusative singular of "snow", evidently quoted from somewhere; cf. nu 436. The word might be Macedonian; see the note at kappa 1446.
[2] This form of words seems to be alluding to one spring in particular; cf. e.g. epsilon 1209.