7 letters · 9 points in Scrabble
noun a long-acting barbiturate used as a sedative
originEtymology tree Latin lumina Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English luminal From Latin lumina (“lights”) + English -al.
Etymology from Wiktionary, CC BY-SA 3.0