と相まって（とあいまって）
Combined with / Coupled with / Together with (producing a stronger result)
This grammar expresses that two factors work together, reinforcing each other and leading to a stronger result or effect.
Meaning
This grammar expresses that two factors work together, reinforcing each other and leading to a stronger result or effect.
Formation
Explanation
と相まって is used when two elements interact and amplify the outcome.
Neither factor alone is the full cause; the combination is what produces the result.
Core idea:
“X, together with Y, resulted in Z”
“X combined with Y made the effect stronger”
Important nuance:
Strongly objective and analytical
Focuses on cause–effect reinforcement
Very common in formal explanations
This grammar is frequently used in:
news articles
economic and social analysis
academic writing
official reports
JLPT N1 reading passages
The tone is:
logical
descriptive
non-emotional