כָּפַל (kāpal) is
a Hebrew verb
meaning double. It appears
5 times
in 2 books of the Hebrew Bible
(Strong's H3717).
Same Hebrew root (TWOT 1019)
Root family 1019: כָפַלkāpal — fold something double, double over (Ex 29:6; 28:16; 39:9). Niphal: be doubled (over, Ezk 21:19, of two ways at a crossroads). (Arabic kiln “double”; Akkadian kapālu “to coil, twist.”)