middle voice from a compound of ἀπό and λόγος; to give an account (legal plea) of oneself, i.e. exculpate (self):--answer (for self), make defence, excuse (self), speak for self.
from κατά and αἱρέομαι (including its alternate); to lower (or with violence) demolish (literally or figuratively):--cast (pull, put, take) down, destroy.