coni-, conio-, -coniosis, -conite, koni-, konio-, kon-, kono-

(Greek: dust; as seen in many words)

otoconium (s), otoconia (pl)
One of the minute calciferous granules within the gelatinous statoconic membrane surmounting the acoustic maculae (membrana statoconiorum macularum).
pneumonoultramicroscopicsilicovolcanoconiosis, pneumonoultramicroscopicsilicovolcanokoniosis
This is one of the longest words in the English language and is divided into the following segments: pneu, mono, ultra, micro, scopic, silico, volcano, coni, osis; and together they mean, "miner's lung disease", or "a disease of the lungs caused by the inhalation of very fine silicate, or quartz dust, and occurring especially in the lungs of miners".