9 letters · 15 points in Scrabble
adjective of or involving or caused by or being microbes
originEtymology tree English microbe Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisder. Old French -ialder. Middle English -ial English -ial English microbial From microbe + -ial.
Etymology from Wiktionary, CC BY-SA 3.0