Meaning

noun a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition

originEtymology tree Proto-Indo-European *médʰu Proto-Hellenic *métʰu Ancient Greek μέθυ (méthu) Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Methylbor. English methyl Proto-Indo-European *dʰewh₂-der.? Ancient Greek θέειον (théeion) Ancient Greek θεῖον (theîon)der. English thio- English -n- Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos…

Etymology from Wiktionary, CC BY-SA 3.0