רֶגַעregaʻ

a wink (of the eyes), i.e. a very short space of time

Pronunciation: reh'-gah · Hebrew/Aramaic (Old Testament) · H7281

Meanings

a moment

a. a moment, a little moment (Psalms 30:6; Isaiah 54:7)

b. usually in adverb phrases (Exodus 33:5; Isaiah 54:8; Jeremiah 18:7)

Same root

רָגַעrâgaʻ · H7280properly, to toss violently and suddenly (the sea with waves, the skin with boils); figuratively (in a favorable manner) to settle, i.e. quiet; specifically, to wink (from the motion of the eye-lids)

Where it appears

Appears 22 times in the Bible.

Exodus 33:5 For the Lord had told Moses to tell them, “You are a stubborn and rebellious people. If I were to travel with you for even a moment, I would destroy you. Remove your jewelry and fine clothes while I decide what to do with you.”
Numbers 16:21 “Get away from all these people so that I may instantly destroy them!”
Numbers 16:45 “Get away from all these people so that I can instantly destroy them!” But Moses and Aaron fell face down on the ground.
Ezra 9:8 “But now we have been given a brief moment of grace, for the Lord our God has allowed a few of us to survive as a remnant. He has given us security in this holy place. Our God has brightened our eyes and granted us some relief from our slavery.
Job 7:18 For you examine us every morning and test us every moment.
Job 20:5 the triumph of the wicked has been short lived and the joy of the godless has been only temporary?

See every passage

Exodus 33:5
Numbers 16:21, 16:45
Ezra 9:8
Job 7:18, 20:5, 21:13, 34:20
Psalms 6:10, 30:5, 73:19
Isaiah 26:20, 27:3, 47:9, 54:7, 54:8
Jeremiah 4:20, 18:7, 18:9
Lamentations 4:6
Ezekiel 26:16, 32:10

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).