noun
full details; whole story; circumstances
Refers to the complete account or particulars of an incident or event, from beginning to end. Often used in formal or narrative contexts.
事故の顛末を詳しく報告してください。
Please report the full details of the accident.
彼はその事件の顛末を一部始終話した。
He told the whole story of the incident from beginning to end.
経緯 also means 'circumstances' or 'course of events', but focuses more on the process or background leading to a situation, while 顛末 emphasizes the complete account including the outcome.
詳細 means 'details' in a general sense, often used for specifications or particulars. 顛末 specifically refers to the narrative details of an event or incident.
Compound of 顛 (てん, 'top; beginning') and 末 (まつ, 'end'), literally 'beginning and end', referring to the full course of an event.