Lexical Definition

‎יׇקְתְאֵל‎ Yoqthᵉʼêl (yok-theh-ale') Joktheel N:N--L
probably from the same as ‎יָקֶה‎ and ‎אֵל‎; veneration of God (compare ‎יְקוּתִיאֵל‎)

Joktheel.

1) a city in the low country of Judah named next to Lachish
2) the name given to the cliff which was the stronghold of Edom by king Amaziah after capturing it; also called 'Selah' and 'Petra'

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
Ιεχθαήλ Joktheel LXX.Josh.15.38
Ιεκθοήλ Joktheel LXX.2Kgs.14.7

Brown-Driver-Briggs

‎יָקְתְאֵל‎ proper name, of a location (according to Ol§ 277 k. 3 ‎יקת‎ is Imperfect from a √ ‎קות‎, meaning dubious; possibly = ‎יְקוּתִיאֵל‎ q. v.; see Wetzst in DeIsa 3:703 f.) —

1. in the Shephelah of Judah Josh 15:38, site unknown; ᵐ5 Ιακαρεηλ A Ιεκθαηλ, ᵐ5L Ιεχθαηλ.

2. name given to ‎סֶלַע‎ (= Petra) by King Amaziah, its captor 2Kgs 14:7 ᵐ5 Καθοηλ; A Ιεκθοηλ.

Brown-Driver-Briggs References

Book Refs
Joshua 15:38
2 Kings 14:7
Isaiah 3:70