At a glance
Noun と相まって means "combined with" or "together with". It is used, mostly in formal or written Japanese, when two factors work together to produce a result.
[Noun A] と [Noun B] が相まって、[result]
[Noun A] が [Noun B] と相まって、[result]
努力と才能が相まって、彼は成功した。 His hard work, combined with his talent, led to his success.
How to form it
相まって is the te-form of the godan verb 相俟つ ("to act together"). Its 俟つ is related to 待つ. It attaches to nouns.
| Pattern | Example | Meaning |
|---|---|---|
| A と B が相まって | 不況と円高が相まって | The recession and the strong yen together |
| A が B と相まって | 才能が努力と相まって | Talent, combined with effort |
| B も相まって | 好天も相まって | Helped also by the good weather |
Register: formal and written. It is rare in casual conversation.