Trolls do seem to be very large orcs, but seem different in many ways. I don't see how they could've been bred from ents or entwives. Originally, they were called stone giants or Torogs, if I remember correctly. They do eat man flesh, very similar to orcs and uruk-hai.
__________________
"What mortal feels not awe/Nor trembles at our name,
Hearing our fate-appointed power sublime/Fixed by the eternal law.
For old our office, and our fame,"
-Aeschylus, Song of the Furies
|