"of a steady temper," 1650s, from Latin aequanimis "mild, kind" (see equanimity) + -ous.
equalization
equalize
equalizer
equally
equanimity
equanimous
equate
equation
equator
equatorial
equerry
)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}