18 letters · 27 points in Scrabble
originEtymology tree Proto-Indo-European *mey-der.? Ancient Greek μικρός (mikrós)der. English micro- Middle French environnementbor. English environment 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 environmental English microenvironmental From micro- + environmental.
Etymology from Wiktionary, CC BY-SA 3.0