ni

Used when negating two or more elements, and not, not A or B, not A nor B, neither A nor B

“No es (ni) A ni B.” — It's neither A nor B.

Related: ni chicha ni limonada, ni come, ni deja comer, ni corto ni perezoso, ni fu ni fa, ni grado ni gracias, ni ir ni venir, ni lerdo ni perezoso, ni más ni menos, ni olvido, ni perdón, ni pena ni gloria

From Old Spanish nin, from Latin nec, apocopated form of neque, from Proto-Indo-European *nekʷe (“and not, neither, nor”), from *né (“not”) + *-kʷe (“and”). Compare Asturian and Galician nin, Catalan and French ni, Portuguese nem, Italian né, Dalmatian ne. Indo-European cognates include Gothic 𐌽𐌹𐌷 (nih) and Irish nach.

Used in emphatic negations, not even; Forms an emphatic negative imperative, don't even

“No tengo ni tiempo. ― I don't even have *time*.”

From Old Spanish nin, from Latin nec, apocopated form of neque, from Proto-Indo-European *nekʷe (“and not, neither, nor”), from *né (“not”) + *-kʷe (“and”). Compare Asturian and Galician nin, Catalan and French ni, Portuguese nem, Italian né, Dalmatian ne. Indo-European cognates include Gothic 𐌽𐌹𐌷 (nih) and Irish nach.

nu; the Greek letter Ν, ν