Strong's #3521: nesteia (pronounced nace-ti'-ah)

from 3522; abstinence (from lack of food, or voluntary and religious); specially, the fast of the Day of Atonement:-- fast(-ing).

Thayer's Greek Lexicon:

́

nēsteia

1) a fasting, fast

1a) a voluntary, as a religious exercise

1a1) of private fasting

1a2) the public fast as prescribed by the Mosaic Law and kept yearly on the great day of atonement, the tenth of the month of Tisri (the month Tisri comprises a part of our September and October); the fast accordingly, occurred in the autumn when navigation was usually dangerous on account of storms

1b) a fasting caused by want or poverty

Part of Speech: noun feminine

Relation: from G3522

Citing in TDNT: 4:924, 632

Usage:

This word is used 8 times:

 

Matthew 17:21: "but by prayer and fasting."
Mark 9:29: "by prayer and fasting."
Luke 2:37: "from the temple, but served God with fastings and prayers night"
Acts 14:23: "in every church, and had prayed with fasting, they commended them to the"
Acts 27:9: "dangerous, because the fast was now already past, Paul admonished"
1 Corinthians 7:5: "for a time, that ye may give yourselves to fasting and prayer; and"
2 Corinthians 6:5: "in watchings, in fastings;"
2 Corinthians 11:27: "and thirst, in fastings often, in cold and"