blotch /blɒtʃ $ blɑːtʃ/
noun [countable][
Date: 1600-1700;
Origin: Perhaps from blot + botch 'swelling' (14-19 centuries) (from Old North French boche, from Old French boce; ⇒ boss1)]
a pink or red mark on the skin, or a coloured mark on something
—blotchy adjective—blotched adjective [TahlilGaran] Dictionary of Contemporary English ▲