each other
US /iːtʃ ˈʌð.ər/
UK /iːtʃ ˈʌð.ər/
1.
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.
•
We help each other with our homework.
used to show that each of two or more people or things does something to the other or others