5 letters · 11 points in Scrabble
noun the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
originEtymology tree Proto-Indo-European *h₂eydʰ-der. Proto-Hellenic *áitʰō Ancient Greek αἴθω (aíthō) ▲ Ancient Greek ᾱ̓ήρ (āḗr)influ.? Ancient Greek αἰθήρ (aithḗr)der. Latin aethērbor. German Äther German Ether Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Ethylbor. English ethyl From German Ethyl, from Ether + -yl.
Etymology from Wiktionary, CC BY-SA 3.0