ארכּה ארכּא 'arkâ' 'arkâh ar-kaw', ar-kaw' (Chaldee); from H749; lengthKJV Usage: lengthening, prolonged.
Brown-Driver-Briggs' Hebrew DefinitionsBDB9343 ארכּה ארכּא 1. prolongation, lengthening, prolonging Origin: from H749 TWOT: 2609 Parts of Speech: Noun Feminine
ארך 'ărak ar-ak' (Chaldee); properly corresponding to H748, but used only in the sense of reaching to a given point; to suitKJV Usage: be meet.