sine qua non

Etymology
Borrowed from, an expression which originated in the works of as a translation of some  expression (perhaps ; compare also Modern 🇨🇬 / Katharevousa ), and was later popularized by.

Noun

 * 1) An essential or indispensable element, condition, or ingredient.

Translations

 * Arabic: لا بُدَّ منه, شَرْط لَازِم
 * Armenian: անհրաժեշտ պայման, էական պայման, մի բան, առանց որի հնարավոր չէ
 * Catalan: condició indispensable
 * Chinese:
 * Mandarin: ,
 * Danish: absolut nødvendighed, nødvendig betingelse
 * Dutch: absolute voorwaarde
 * Estonian:
 * Finnish: ,
 * French: condition sine qua non
 * German: absolute Notwendigkeit, notwendige Bedingung, unerlässliche Voraussetzung,
 * Greek:, απαραίτητη προϋπόθεση
 * Hungarian:
 * Italian: conditio sine qua non, condicio sine qua non
 * Japanese: 必須条件, ,
 * Korean:, 필수조건, 없어서는 안 될 것
 * Polish: warunek sine qua non, warunek niezbędny
 * Portuguese:
 * Russian: обяза́тельное усло́вие, (соверше́нно) необходи́мое усло́вие)
 * Spanish: condición sine qua non
 * Swedish: ofrånkomligt villkor, nödvändig förutsättning, oeftergivligt villkor
 * Turkish: vazgeçilemez, olmazsa olmaz
 * Vietnamese: điều kiện tiên quyết

Etymology
.

Adjective

 * 1)  indispensable