black. swarthy (feminine)
daughters of Jerusalem: i.e. the ladies of Solomon's court.
Kedar. dark. All Kedar's tents were black.
as. Supply the Ellipsis (App-6), "[but comely] as the curtains of Solomon". Required by the Alternation: a| swarthy. a. as Kedar's tents. b| comely. b. as Solomon's curtains.