Archaic/rare verb senses are attested; include for completeness.
Translations
ternirAu sens de rendre moins vif, moins éclatant. Years of grime had drabbed the once-bright façade.
Des années de crasse avaient terni la façade autrefois éclatante.
débaucherVerbe archaïque, pour l’idée de débauche ou de fréquentation de prostituées. (Intransitive, archaic) To consort with prostitutes; to engage in debauchery. He was dismissed from the academy for drinking and drabbing in the town.
(Transitive, rare) To make dull or drab in appearance. Years of grime had drabbed the once-bright façade.