Answer: Endeavor means to an attempt or trial to achieve a particular goal.
Step-by-step explanation:
"Endeavor" as it is used in the first line above simply means an attempt or trial to achieve a particular goal. Endeavor means for an individual to make a an effort.
We must endeavor to achieve a particular goal of we are to succeed. Can't is the father of feeble endeavor simply means can't is the father of a weak attempt to do a particular thing. Can't deprives someone from doing something.