Morpheme
-er
Type
suffix
Denotation
French verb infinitive suffix
Etymology
French -er; Middle French -er; Old French -ier; Latin -āre
Evidence
plancher, planchered, planchering, planchers
Homographs
-er-, -(e)r [-er, -r], -(e)r [-er, -r], -er, -er, -er 4, -er, Er(e) [Ere, Er]