pronoun/dɔ̃/
of/from whom/which, whose; whereof; by which; Denotes a part of a set, may be translated as "including" or such as in some situations.
“Vous rappelez-vous ce dont je vous ai parlé ?” — Do you remember that of which we spoke?
Inherited from Middle French dont, from Old French dunt, from Vulgar Latin/Latin dē unde (“from where”). Compare Spanish donde (“where”).