発端|ほったんhottan[0]heiban (flat)

1. nounorigin; genesis; opening; start; beginning
   すべての発端ほったんは、１９５５年ねん１２月がつ１日ついたち、アラバマ州あらばましゅうモントゴメリーで起おこった事件じけんであった。↗

   It all started in Montgomery, Alabama, on December 1, 1955.

• Synonym起源きげんWrittenWritten/formal prose. The source from which something first arose, as in 「生命の起源」; 「発端」 is the opening of an incident or dispute.
• Synonym起点きてんNeutralNeutral. A starting point, the place one sets out from; 「発端」 is the cause or opening of an incident.
• Synonym発祥はっしょうWrittenWritten/formal prose. The birth or rise of something, often in 「発祥の地」; 「発端」 is the opening or cause of an affair.
• Synonym原初げんしょWrittenWritten/formal prose. The primordial, earliest state of things; 「発端」 is the opening of an incident.
• Synonym糸口いとぐちNeutralNeutral. A clue or lead, as in 「解決の糸口」; 「発端」 is the opening itself.
• SynonymオリジンCasualColloquial loanword. Origin or provenance, mostly for brands and culture; 「発端」 is the opening of an incident.
• Synonym初発しょはつWrittenWritten/formal prose and rare. The very start of something or a first departure; in daily use, say 「始まり」 or 「発端」.
• Synonym嚆矢こうしWrittenWritten/formal prose. A forerunner or first instance of something; 「発端」 is the cause of an incident.
• RelatedスタートCasualColloquial loanword. A start or setting off; 「発端」 stresses the cause behind an incident.
• RelatedルーツCasualColloquial loanword. Family or cultural roots and background; 「発端」 is the opening that triggers an incident.
• RelatedはじめNeutralNeutral. A broad, all-purpose word for the beginning or first part; 「発端」 stresses the opening that sets off what follows.
• Related始まりはじまりNeutralNeutral. A start or beginning, common in everyday speech; 「発端」 is more written in tone and stresses the opening as a cause.
• Related根源こんげんWrittenWritten/formal prose. The fundamental root or underlying cause; 「発端」 is the opening in time.
• Related振り出しふりだしCasualColloquial. The point of origin, as in 「振り出しに戻る」; 「発端」 is the opening or cause of an incident.
• Related入りいりNeutralNeutral. Entering or an entrance, also the start of a season or period; 「発端」 is the cause of an incident.
• Related最初さいしょNeutralNeutral. The very first or the outset, the most broadly used; 「発端」 stresses the opening that leads to later developments.
• Related起首きしゅWrittenWritten/formal prose and rare. The time or place where something begins; in everyday use, say 「発端」 or 「始まり」.
• Related開闢かいびゃくWrittenWritten/formal prose. The creation of heaven and earth, the world's very beginning; 「発端」 is the start of a single matter.
• Related淵源えんげんWrittenWritten/formal prose. A deep, far-reaching source or lineage; 「発端」 is the immediate opening of an incident.
• Related根元ねもとNeutralNeutral. The base of a tree or pillar, figuratively the root of a problem; 「発端」 is the opening of an incident.
• Related出だしでだしCasualColloquial. The opening or early going, as in 「出だしが好調」; 「発端」 leans toward the cause of an incident.
• Related幕開きまくあきWrittenWritten/formal prose. The raising of the curtain, the opening of an event; 「発端」 is the opening of an incident.
• Related序開きじょびらきWrittenWritten/formal prose. The opening stage of something; in everyday use, say 「始まり」.
• Related滑り出しすべりだしCasualColloquial. How the early going unfolds, as in 「滑り出しは順調」; 「発端」 is the cause.
• Antonym結末けつまつWrittenWritten/formal prose and the antonym: the end or conclusion of something, the opposite of 「発端」.

Use 「発端」 for the opening or trigger of an incident or dispute, as in 「事件の発端」 and 「議論の発端」. For the origin of a thing, pick 「起源」; for where something arose, 「発祥」; for beginnings in general, 「始まり」 or 「最初」; for how something starts out, 「出だし」. The opposite of 「発端」 is 「結末」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 物事ものごとの始はじまり。