Etymology?:
from ʿādā עָדָה ‘to advance / to adorn’
Roots:
עדה
ʿad n, m
1) perpetuity, for ever, continuing future
1a) ancient (of past time)
1b) for ever (of future time)
1b1) of continuous existence
1c) for ever (of God's existence)
Mentioned in Exodus 15:18 Numbers 24:20, 24:24 2 Samuel 3:28 Isaiah 64:8, 9:5, 65:18, 57:15, 45:17, 26:4 Amos 1:11 Micah 4:5, 7:18 Habakkuk 3:6 Psalms 9:6, 9:19, 10:16, 83:18, 112:9, 104:23, 132:14, 92:8, 22:27, 45:7, 48:15, 52:10, 145:1, 132:12, 19:10, 111:8, 21:5, 37:29, 104:5, 147:6, 21:7, 112:3, 145:2, 145:21, 45:18, 111:3, 61:9, 89:30, 111:10, 148:6, 119:44 Proverbs 12:19, 29:14 Job 20:4, 19:24 Daniel 12:3 1 Chronicles 28:9