Lexical Definition

‎νηστεία‎ nēsteía (nace-ti'-ah) fasting G:N-F
from ‎νηστεύω‎

fast(-ing).

Usage: 7 forms in 35 verses
Form Translated As     In Verse(s)
νηστειῶν fasting Acts.14.23
νηστειών of your fasts LXX.Isa.58.3
νηστείᾳ to fastings 1Cor.7.5
with fastings Matt.17.21Mark.9.29
νηστείασ fasting LXX.Ps.109.24
of fast LXX.Jer.36.6
νηστείαν a fast LXX.1Kgs.21.9LXX.1Kgs.21.12LXX.2Chr.20.3LXX.Ezra.8.21LXX.Isa.58.6LXX.Joel.1.14LXX.Joel.2.15LXX.Jonah.3.5
fast LXX.Isa.58.5LXX.Isa.58.5LXX.Jer.36.9Acts.27.9
fasting LXX.Isa.1.14LXX.Zech.7.5
their fasting LXX.Esth.9.31
with fasting LXX.2Sam.12.16
νηστείαισ fasting LXX.Dan.9.3
fastings 2Cor.6.52Cor.11.27
with fastings Luke.2.37
νηστεία fasting LXX.Neh.9.1LXX.Ps.35.13LXX.Ps.69.10LXX.Joel.2.12LXX.Zech.8.19LXX.Zech.8.19LXX.Zech.8.19LXX.Zech.8.19

Abbott-Smith

νηστεία, -ας, ἡ (< νηστεύω), [in LXX for צוֹם;]
fasting, a fast;
(a) of voluntary abstinence from food: Mt 17:21 (WH, R, txt., om.), Mk 9:29 (WH, txt., R, txt., om.), Lk 2:37, Ac 14:23; of the Day of Atonement, Ac 27:9;
(b) of involuntary abstinence: II Co 6:5 11:27.†
SYN.: ἀσιτία, q.v.

Abbott-Smith References

Book Refs
Matthew 17:21
Mark 9:29
Luke 2:37
Acts 14:23 · 27:9
2 Corinthians 6:5 · 11:27

Liddell-Scott-Jones

νηστεία-εία, ,

fast, νηστείαεῖαι καὶ ὁρταί [νηστείαείην φέρειν 5th c.BC: Hippocrates Medicus “ἀφορισμοί” 1.13 ">NT+5th c.BC+]; νηστείαείας ὄζειν [Refs 4th c.BC+]; at Athens, name for the third day of the Thesmophoria, [Refs 3rd c.BC+]

LSJ Scripture Refs: LXX.Isa.1.13Acts.27.9