"pertaining to or involving a state anterior to consciousness," 1860, from pre- "before" + conscious (adj.).
precognition
pre-Columbian
preconceive
preconception
precondition
preconscious
precool
precursor
predacious
pre-date
predate
)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}