marring

verb

1. (form-of, gerund, participle, present)present participle and gerund of mar: ruining, thwarting, spoiling.

   “[…]Hath all his ventures fail'd? What, not one hit? From Tripolis, from Mexico, from England, From Lisbon, Barbary, and India? And not one vessel scape the dreadful touch Of merchant-marring rocks?”

noun

1. Something that mars or spoils; a blemish.

   “Unable to read even as much of them as the scamps who wrote them and could read nothing more, the smuggler had finally trained himself to ignore them; they were marrings to be overlooked while the eye was out for other, more meaningful detail.”