词根词缀：chordo-, chord-, cordo-, cord-

【来源及含义】Greek: khorde, "gut string" [of a lyre]; used in an extended sense to mean "sinew, flexible rod-shaped organ, string, cord"; Latin: chorda, "related notes in music, string of a musical instrument, cat-gut" via Old French, corde, "rope, string, twist, cord"

【同源单词】anemochord, cephalochordata, chordata, chordectomy, chorditis, chronic subglottic laryngitis

词根词缀：clavi-, clav-

【来源及含义】Latin: key; to enclose, to comprise, to include; to fit together, or to work together; pertaining to the collarbone [so named because of its keylike shape]

【同源单词】autoclave, autoclaver, clavelization, claviature, clavichord, clavicle