גָּג (gāg) is
a Hebrew noun
meaning roof. It appears
31 times
in 14 books of the Hebrew Bible
(Strong's H1406).
Same Hebrew root (TWOT 312)
Range of meaning (TWOT 312)roof, top
Full entry: Brown-Driver-Briggs and Strong's
גָּגnoun, masculine: roof, top
1.roof
2.top of altar of incense
Strong's H1406גָּג: a roof; by analogy, the top of an altar KJV:roof (of the house), (house) top (of the house).
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.