Meaning

noun a drill for penetrating rock

noun any of various insects or larvae or mollusks that bore into wood

originEtymology tree Proto-Indo-European *bʰerH-der. Proto-Germanic *burōną Proto-West Germanic *borōn Old English borian Middle English boren English bore 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 borer From bore + -er.

Etymology from Wiktionary, CC BY-SA 3.0