Meaning

noun an assumption on which rests the validity or effect of something else

noun an assumption that is taken for granted

noun a condition that is a prerequisite

originEtymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- English condition English precondition From pre- + condition.

Etymology from Wiktionary, CC BY-SA 3.0