IPA: //ˌproʊtɛsˈteɪʃən//
KK: /proʊˌtɛsˈteɪʃən/
A strong and formal way of showing disagreement or expressing a statement of belief.
The protestation of the citizens was heard by the government officials.
Protestation → It is formed from "pro-" (meaning forth) and "testari" (meaning to witness or testify), combined with the suffix "-ation" (indicating an action or process). The word "protestation" refers to the act of witnessing or declaring something forth, often in a formal manner.
Think of 'witnessing' ('testari') something 'forth' ('pro-') — that's why protestation means formally declaring or witnessing a statement.