Morpheme
Opere
Type
bound base
Denotation
work, power
Etymology
Latin operari, from operis, from opus
Evidence
cooperate, cooperation, opera, operand, operanda, operandum, operas, operate, operated, operates, operatic, operating, operation, operational, operose
Notes
<r> does not double because the stress falls on the first syllable
operand and operandum are doublets
