reciprocally
🇺🇸
/rɪˈsɪprəkli/
🇬🇧
/rɪˈsɪprəkli/
When two people or groups do the same thing to each other, or help each other in return.
They agreed to help each other, and their friendship grew reciprocally.
彼らはお互いに助け合うことに同意し、彼らの友情は相互に成長しました。