interpellation (n.) Look up interpellation at Dictionary.com
late 15c., "an appeal" (obsolete), from Latin interpellationem (nominative interpellatio) "an interruption," noun of action from past participle stem of interpellare "to interrupt by speaking," from inter "between" (see inter-) + pellare, collateral form of pellere "to drive" (see pulse (n.1)). The parliamentary sense is attested in English from 1837, from French.