Strong's #1525: giylah (pronounced ghee-law')
or giylath {ghee-lath'}; feminine of 1524; joy:--joy, rejoicing.
Brown-Driver-Briggs Hebrew Lexicon:
ּ / ּ
gı̂ylâh / gı̂ylath
1) rejoicing
Part of Speech: noun feminine
Relation: from H1524
Usage:
This word is used 2 times:
Isaiah 35:2: "It shall blossom abundantly, and rejoice even with joy and singing: the glory of Lebanon"
Isaiah 65:18: "for, behold, I create Jerusalem a rejoicing, and her people a joy."