Morpheme
Endeavor
Type
free base
Denotation
make an effort
Etymology
Middle French en devoir; Old French en devoir, deveir; Latin dēbēre, from dē- + habeō
Evidence
endeavor, endeavored, endeavorer, endeavoring, endeavorment, endeavors
Notes
does not double because the stress falls on the second (not last) syllable
See Also
Deve, Debe, Debenture, Debt, Du(e)