英语词源字典 - 在线词源网站

cochlea (n.): "spiral cavity of the inner ear," 1680s, from Latin cochlea "snail shell," from Greek kokhlias "snail, screw," etc., from kokhlos "spiral shell," perhaps related to konkhos "mussel, conch."
vestibular (adj.): 1819, in reference to the inner ear part, from vestibule + -ar.
otitis: "Inflammation of the ear, usually distinguished as otitis externa (of the passage of the outer ear), otitis media (of the middle ear), and otitis interna (of the inner ear; labyrinthitis)", Late 18th century: modern Latin, from Greek ous, ōt- 'ear' + -itis.
periotic: "The bone forming the otic capsule of the inner ear, consisting of fused prootic, epiotic, and opisthotic bones", Mid 19th cent.; earliest use found in Philosophical Transactions of the Royal Society of London. From peri- + otic.
fenestra: "A small natural hole or opening, especially in a bone. The mammalian middle ear is linked by the fenestra ovalis to the vestibule of the inner ear, and by the fenestra rotunda to the cochlea", Early 19th century (as a botanical term denoting a small scar left by the separation of the seed from the ovary): from Latin, literally 'window'.