inquiry
noun (plural inquiries)
an act of asking for information:
«…についての» 質問, 問い合わせ «about» ; 照会
e.g. the deluge of phone inquiries after a crash
e.g. they were following a definite line of inquiry.
【事件･事故などについての】(公式の)調査, 捜査, 取り調べ «into» ; U調べること; (事実･知識などの)探求, 研究
USAGE
See usage at inquire.
>Inquire (and inquiry) are the usual US spellings; enquire and enquiry are the standard forms in Britain. Some American speakers put the stress on the first syllable of the noun inquiry, but the dominant pronunciation stresses the second