- to make dirty or discolor as by smearing or staining with grime
- to sully or dishonor (a reputation, good name, etc.)
Origin of smirchMiddle English smorchen, probably from Old French esmorcher, to hurt from es- ( from Classical Latin ex), intensive + pp. of mordre, to bite, hurt: see mordant
- a smudge; smear; stain
- a stain on a reputation, etc.