derogate

transitive verb derogated, derogating

1. Archaic to take (a part or quality) away from something so as to impair it
2. Rare to lower in esteem; disparage

Origin: ME derogaten < L derogatus, pp. of derogare, to repeal part of (a law), detract from < de-, from + rogare, to ask: see rogation

intransitive verb

1. to take something desirable away; detract (from)
2. to lower oneself; lose face