G3523
νῆστις
fasting
νῆστις, -ιος, ὁ, ἡ (νη-, neg. prefix, + ἐσθίω), in cl., chiefly poët., [in LXX: Dan LXX 6:18 (19) (טְוָת)* ;] not eating, fasting: Mat.15:32, Mrk.8:3.† (AS)
The KJV translates G3523 in the following manner:
fasting (4x)
Full Thayer's lexicon entry
νῆστις — nēstis
νῆστις, accusative plural νήστεις and (so Tdf. (cf. Proleg., p. 1183) νῆστις (see Lob. ad Phryn., p. 326; Fritzsche, Commentary on Mark, p. 796f; cf. (WHs Appendix, p. 157b); Buttmann, 26 (23)), ὁ, ἡ (from νή and ἐσθίω, see νήπιος), fasting, not having eaten: Mat 15:32; Mar 8:3. (Homer, Aeschylus, Hippocrates, Aristophanes, others.)
2 occurrences
Matthew (1), Mark (1)