10 letters · 16 points in Scrabble
adjective using the minimum of time or resources necessary for effectiveness
adjective of or relating to an economy, the system of production and management of material wealth
adjective avoiding waste
originEtymology tree English economic 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 economical From economic + -al.
Etymology from Wiktionary, CC BY-SA 3.0