Boyd’s Bible Dictionary:
(subdued). (1) City in Judah (Josh. 15:38). (2) An Edomite stronghold (2 Kings 14:7).
Concise Bible Dictionary:
1. City in the lowlands of Judah (Josh. 15:38).
2. Name given by Amaziah to Selah (the ‘rock’) in Edom when captured by him (2 Kings 14:7).
Jackson’s Dictionary of Scripture Proper Names:
absolved of God: or perhaps i.q. Jekuthiel