3 occurrences in 3 dictionaries
Reference: Sukkiim
American
Allies of Shishak in his invasion of Judah, 2Ch 12:3; probably from region southeast of Egypt.
See Verses Found in Dictionary
Smith
Suk'kiim
(booth-dwellers), a nation mentioned
with the Lubim and Cushim as supplying part of the army which came with Shishak out of Egypt when he invaded Judah. The Sukkiim may correspond to some one of the shepherd or wandering races mentioned on the Egyptian monuments.