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要因 (よういん, youin) Japanese meaning: main cause | Kotomora
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The main cause of the accident was excessive speed.
Analyze the primary factors behind the success.
Usage patterns 〈 事こと 〉 の 要よう 因いん となる to become a factor in (something)
The weak yen became a factor in the increase in exports.
要よう 因いん を 分ぶん 析せき する to analyze the (contributing) factors
Experts analyzed the factors behind the accident.
要よう 因いん を 探さぐ る to search for/investigate the cause
An investigation was conducted to find out the factors behind the decline in performance.
大おお きな 要よう 因いん a major factor
The declining birth rate is a major factor in the economic stagnation.
Kanji 要 need, main point, essence 因 cause, factor, be associated with Related words· 10 原因 is the general word for 'cause' of any effect, while 要因 highlights the main or most significant factor among several contributing causes.
要素 is a neutral term for a component or element, whereas 要因 specifically refers to a factor that causes or influences an outcome.
因子 is a more technical/statistical term for a causal factor, often used in scientific or medical contexts, while 要因 is broader and common in news and analysis.
要因 is the native Japanese word for a contributing cause and fits formal writing, while ファクター is a loanword with a more technical, modern feel.
Show 6 more 勝因 refers specifically to a reason for a win, whereas 要因 is a broader term for any contributing factor, positive or negative.
要因 refers to a contributing factor among several, whereas 因 denotes the direct or primary cause itself.
要因 refers to a key or major factor behind an outcome, whereas 一因 stresses that it is only one of multiple contributing causes.
要因 refers to any contributing factor in an analysis, whereas 主因 designates the single dominant factor.
Don't confuse with 要因 means a causal factor behind an event, whereas 要点 means the essential point in an explanation or argument—easy to confuse because both start with 要.
要因 is a causal factor that explains why something happened, while 条件 is a requirement or stipulation that must be met, not a cause.
Etymology Compound of 要 (essential point) and 因 (cause). The exact historical derivation is uncertain, but the kanji combination naturally conveys 'key cause'.
誘ゆう 因いん
要因 is a neutral term for any contributing factor (positive or negative), while 誘因 specifically emphasizes a factor that provokes or triggers something, often negative like disease or crisis.
要因 is a neutral term for a contributing factor or cause, while 決め手 specifically singles out the factor that clinches or decides the outcome.
よう
因いん
positive factor; contributing factor
