Efficiency  The actual strength of a knot, rope or smaller cord, expressed as a percentage of its theoretical breaking strength. (5)

Elbow Cables crossed twice (3)

End  Refers to the end of a line which is being knotted, whipped. Also known as Running End or Working End (10)

End for End To shift each end of a rope to the position that had been held by the other (3)

(to) Enter To tuck a strand (3)

Eye A loop formed at the end of a rope by knotting seizing or splicing. (4) See Hard Eye, Soft Eye

Eye Splice A permanent Eye formed by splicing(10)