IPA: /ɪnˈtɛrəˌɡeɪt/
KK: /ɪnˈtɛrəˌɡeɪt/
To ask someone questions in a formal or official way, often to get information or to find out the truth.
The detective had to interrogate the suspect to gather more evidence.
Past: interrogated
Past Participle: interrogated
Interrogate → It is formed from "inter-" (meaning between) and "rogare" (meaning to ask). The word describes the act of asking questions between parties, often in a formal or intense manner.
Think of asking questions 'between' people ('inter-') — that's why interrogate means to ask questions formally.