"a small bone; small, hard, bone-like nodule," 1570s, from Latin ossiculum, diminutive of os "bone" (from PIE root *ost- "bone").
osmosis
osprey
osseous
Ossetian
Ossianic
ossicle
ossification
ossifrage
ossify
ossuary
*ost-
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}