You are a fool granted; therefore your issues, being foolish, do not derogate.
Shak.
Would Charles X. derogate from his ancestors? Would he be the degenerate scion of that royal line?
Hazlitt.
Der"o*gate (?), n. [L. derogatus, p. p.] Diminished in value; dishonored; degraded. [R.] Shak.
Der"o*gate*ly, adv. In a derogatory manner.
Der`o*ga"tion (?), n. [L. derogatio: cf. F. dérogation.] 1. The act of derogating, partly repealing, or lessening in value; disparagement; detraction; depreciation; -- followed by of, from, or to.