objeción
/obxeˈθjon/ · B1 · noun · f
expostulation
✋⚖️ objeción = object + -ion: what you say when you object
From Latin obiectio, from obicere, to throw against: ob (against) + iacere (to throw). An objection is an argument thrown against a claim. The Spanish -ción ending matches English -tion, as in nación and nation.