Rafidan: one who abandons; active participle of rafada.
Al-wuquf: standing, here the specific Arafat rite.
Batala: ceased to apply, used here of the qiran offering.
Qada'uha: making it up, with the suffix referring back to Umrah.
Tracking these referents prevents confusion between the offering for combining rites and the offering for abandoning an undertaken rite.