from The Century Dictionary and Cyclopedia
- n. The small gritty particles found in the cavity of the inner ear of many animals; minute concretions in the labyrinth, distinguished from otoliths or otostea by their fineness; otoconia. See otoconium.
Sorry, no etymologies found.
The material within, if present in relatively large particles, is called otoltths ( "earstone" G), and if present in fine particles is called otoconia (oh'toh-koh'nee-uh; "ear-dust" G).