Meaning

noun a substance from which another substance is formed (especially by a metabolic reaction)

noun a person who goes before or announces the coming of another

noun something that precedes and indicates the approach of something or someone

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 cursor English precursor From pre- + cursor.

Etymology from Wiktionary, CC BY-SA 3.0