Meaning

noun a toxin that is secreted by microorganisms into the surrounding medium

originEtymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁eǵʰs Proto-Hellenic *eks Ancient Greek ἐκ (ek) Ancient Greek ἔξω (éxō)der. English exo- Ancient Greek τόξον (tóxon) Proto-Indo-European *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek τοξῐκός (toxĭkós) Ancient Greek τοξικόν (toxikón)der. Latin toxicum Proto-Indo-European *-nós…

Etymology from Wiktionary, CC BY-SA 3.0