From Proto-Indo-European *nekʷe (“and not, neither, nor”), from *né (“not”) + *-kʷe (“and”). Cognate with Proto-Celtic *nekʷe, whence Irish nach; Proto-Germanic *nehw, whence Gothic 𐌽𐌹𐌷 (nih). Equivalent to Old Latin ne (“not”) + -que (“and”).
Practice speaking and memorizing "neque" and many other words and sentences in Latin.