כָּפַל (kâphalkaw-fal'verbdouble)
[Heb] כָּפַל ETCBC: כפל‎ (verb|fold double) OSHL: k.cp.aa TWOT: 1019 GK: H4100 Greek: διπλοῦς
Derivation: a primitive root;
Strong's: to fold together; figuratively, to repeat
KJV: double.