Cord
Middle English: from Old French corde, from Latin chorda, from Greek khordē ‘gut, string of a musical instrument’.
wiktionary
From Middle English corde, from Old French corde, from Latin chorda, from Doric Ancient Greek χορδά(khordá, “string of gut, the string of a lyre”) (compare Ionic χορδή(khordḗ), from Proto-Indo-European *ǵʰer-(“bowel”)). More at yarn and hernia.
etymonline
cord (n.)
c. 1300, corde, "a string or small rope composed of several strands twisted or woven together; bowstring, hangman's rope," from Old French corde "rope, string, twist, cord," from Latin chorda "string of a musical instrument, cat-gut," from Greek khorde "string, catgut, chord, cord," from PIE root *ghere- "intestine."
Also from c. 1300 as "string of a musical instrument." From c. 1400 as "a tendon or muscle." Figurative sense of "anything which binds or restrains" is from late 14c. Meaning "raised, cord-like rib on the surface of cloth" is from 1776. As a measure of wood of 128 cubic feet (eight feet long, four feet high and wide) first recorded 1610s, so called because it was measured with a cord of rope.
