〜合う au
〜合う(au)means “do to each other; mutually”. Attached to the masu-stem of a verb to show that two or more people perform the action toward each other reciprocally. Formation: V-ます(去ます)+ 合う
do to each other; mutually
N3Formation
V-ます(去ます)+ 合う
Explanation
Attached to the masu-stem of a verb to show that two or more people perform the action toward each other reciprocally. E.g. 話す→話し合う (talk things over together), 助ける→助け合う (help each other).
Examples
Note
The action is mutual, so it always involves more than one party. 助け合う, 話し合う, 愛し合う, 知り合う are common fixed compounds.
FAQ
〜合う — what does it mean and how is it used?
do to each other; mutually. Attached to the masu-stem of a verb to show that two or more people perform the action toward each other reciprocally. E.g. 話す→話し合う (talk things over together), 助ける→助け合う (help each other).
〜合う — how do you form it?
V-ます(去ます)+ 合う
〜合う — any usage notes?
The action is mutual, so it always involves more than one party. 助け合う, 話し合う, 愛し合う, 知り合う are common fixed compounds.