compound of iodine, 1822, from iod-, combining form of iodine used before vowels + -ide.
inwardness
inwit
inwork
Io
iodic
iodide
iodine
iodize
-ion
ion
Ionian
)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}