1925, from German Isogloss (1892); see iso- + gloss (n.2).
isochromatic
isochronous
isocracy
isodynamic
isogenous
isogloss
isokinetic
isolable
isolate
isolated
isolation
)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}