Boring

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Old English borian (verb), of Germanic origin; related to German bohren .

wiktionary

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From Middle English boryng(“making a hole”); equivalent to bore +‎ -ing.

etymonline

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boring (adj.)

1853 in reference to animals that bore, present-participle adjective from bore (v.1); 1840 in the sense "wearying, annoyingly dull, causing ennui," from bore (v.2). As a verbal noun, mid-15c., "action of piercing or perforating."