Strong's #3717: kaphal (pronounced kaw-fal')

a primitive root; to fold together; figuratively, to repeat:--double.

Brown-Driver-Briggs Hebrew Lexicon:

ּ

kâphal

1) to double, fold double, double over

1a) (Qal) to double over

1b) (Niphal) to be doubled

Part of Speech: verb

Relation: a primitive root

Usage:

This word is used 5 times:

 

Exodus 26:9: "and six curtains by themselves, and shalt double the sixth curtain in the forefront"
Exodus 28:16: "Foursquare it shall be being doubled; a span shall be the length thereof, and a span shall be the breadth"
Exodus 39:9: "they made the breastplate double: a span was the length the breadth"
Exodus 39:9: "was the length the breadth thereof, being doubled."
Ezekiel 21:14: "prophesy, and smite thine hands together, and let the sword be doubled the third time,"