Meaning

noun the act of drilling

noun the act of drilling a hole in the earth in the hope of producing petroleum

verb cause to be bored

originEtymology tree Middle English boren Proto-Germanic *-ungō Old English -ung Middle English -ynge Middle English boryng English boring Inherited from Middle English boryng (“making a hole”). By surface analysis, bore + -ing.

Etymology from Wiktionary, CC BY-SA 3.0