Koord (plural Koords)
koord n, f (plural koorden, diminutive koordje n)
From Middle Dutch corde, coorde, from Old French corde, from Latin chorda, from Ancient Greek (Doric) χορδά (khordá), Ionic χορδή (khordḗ, “string of gut, the string of a lyre”). Doublette with koorde (“straight line connecting two dots of a curve”).