Meaning

noun a power tool used for sanding wood; an endless loop of sandpaper is moved at high speed by an electric motor

originEtymology tree substratebor. Proto-Indo-European *sámdʰos? Proto-Germanic *samdaz Proto-West Germanic *samd Old English sand Middle English sond English sand Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English sander From sand + -er.

Etymology from Wiktionary, CC BY-SA 3.0