Morpheme
Smirk
Type
free base
Denotation
unpleasant sense, smug grin
Etymology
Middle English smirken; Old English smearcian, from smerian + -cian
Evidence
smirk, smirked, smirker, smirkier, smirkiest, smirkily, smirking, smirkingly, smirks, smirky
Notes
retains the intensive or frequentative -k suffix