Abbott-Smith Manual Greek Lexicon
νῆστις (G3523)
2 νῆστις , -ιος, ὁ, ἡ ( νη- , neg. prefix, + ἐσθίω ),in cl., chiefly poët., [in LXX: Da LXX 6:18 ( 19 ) ( טְוָת )*;] not eating , fasting : Mt 15:32 , Mk 8:3 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain