Etymology?:
probably from ʾūt אוּת ‘to consent’ ( in the sense of appearing )
Roots:
אות
ʾōt n, f
1) sign, signal
1a) a distinguishing mark
1b) banner
1c) remembrance
1d) miraculous sign
1e) omen
1f) warning
2) token, ensign, standard, miracle, proof
Mentioned in Genesis 1:14, 4:15, 9:12, 9:13, 9:17, 17:11 Exodus 4:28, 4:30, 3:12, 4:8, 4:9, 4:17, 7:3, 8:19, 10:1, 10:2, 12:13, 13:9, 13:16, 31:13, 31:17 Numbers 2:2, 17:25, 14:11, 14:22, 17:3 Deuteronomy 4:34, 13:2, 6:8, 6:22, 7:19, 11:3, 11:18, 13:3, 26:8, 28:46, 29:2, 34:11 Joshua 2:12, 24:17, 4:6 Judges 6:17 1 Samuel 2:34, 10:7, 10:9, 14:10 2 Kings 19:29, 20:8, 20:9 Isaiah 7:14, 7:11, 8:18, 19:20, 20:3, 37:30, 38:7, 38:22, 44:25, 55:13, 66:19 Jeremiah 32:20, 10:2, 32:21, 44:29 Ezekiel 4:3, 14:8, 20:12, 20:20 Psalms 65:9, 74:4, 74:9, 78:43, 86:17, 105:27, 135:9 Job 21:29 Nehemiah 9:10