The phrase "Fit To Be Eaten" can be decribed as "edible". Fit for Consumption may be more appropriate. The opposite being "inedible" or "Unfit for Consumption"
incapaz
Fit, proper, acceptable
If you mean unfit for use (as in food) then the same word
Leftovers
Ni ureire is the Kikuyu word for the English word you have eaten.
He was deemed as unfit to be the vocalist because of his stammer.
unfit
That is one reason a court may find a parent unfit. See related question link.That is one reason a court may find a parent unfit. See related question link.That is one reason a court may find a parent unfit. See related question link.That is one reason a court may find a parent unfit. See related question link.
Inefficient, incapable, ineffectual, inexperfienced, unqualified, unfit
Seat
To have 'eaten' is the past participle of the verb to eat. Eaten needs the auxiliary verb to have.Have you eaten? Yes, I have eaten.