each other

US /iːtʃ ˈʌð.ər/
UK /iːtʃ ˈʌð.ər/
"each other" picture
1.

друг друга, друг другу

used to show that each of two or more people or things does something to the other or others

:
They love each other very much.
Они очень любят друг друга.
We help each other with our homework.
Мы помогаем друг другу с домашним заданием.