in·quire or chiefly Brit en·quire 
/ɪnˈkwajɚ/ verb
in·quires; in·quired; in·quir·ing /ɪnˈkwajɚ/ verb somewhat formal : to ask for information [no obj] ▪ When I inquired, they told me she was not here. — usually + about ▪ I called to inquire about the schedule. ▪ He was inquiring about a friend who used to work here. [+ obj] ▪ We inquired the way to the station. ▪ “So, what do you want?” he inquired.
inquire after [phrasal verb]
inquire after (someone or something) : to ask for information about (someone or something)
▪ She inquired after my wife's health. ▪ He greeted us warmly and inquired after our families.
▪ She inquired after my wife's health. ▪ He greeted us warmly and inquired after our families.
inquire into [phrasal verb]
inquire into (something) : to gather or collect information about (something)
▪ A panel has been appointed to inquire into their activities. ▪ The commission should not have inquired into her personal life.
▪ A panel has been appointed to inquire into their activities. ▪ The commission should not have inquired into her personal life.
inquire of [phrasal verb]
inquire of (someone) formal : to ask (someone) a question
▪ The police inquired of his neighbors if they knew where he was.
▪ The police inquired of his neighbors if they knew where he was.
— in·quir·er noun, plural in·quir·ers [count]
