each other

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

el uno al otro, mutuamente

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.
Se quieren mucho el uno al otro.
We help each other with our homework.
Nos ayudamos mutuamente con la tarea.