σίτισις
Could not find σίτισιν in Logeion dictionaries.
σίτισιν Noun: feminine accusative singular of σίτισις
σῑτ-ῐσις, εως, ἡ, freq. f.l. for σίτησις, e.g. in Str. 15.3.7, 17.1.40.
σίτισις, ἡ, = σιτισμός, Schol. Ar. Th. 957 u. a.Sp.