Go to Preferences... > Profiles > Keys
Press Load Preset...
Select Natural Text Editing -
                
                https://apple.stackexchange.com/questions/154292/iterm-going-one-word-backwards-and-forwards
  
 -
                
                https://apple.stackexchange.com/questions/154292/iterm-going-one-word-backwards-and-forwardsCreate a new key shortcut
alt + shit + ;
send escape sequence + "."
 -
                
                https://superuser.com/questions/703911/iterm2-alt-dot-functionality-with-cmd-dot
  
 -
                
                https://superuser.com/questions/703911/iterm2-alt-dot-functionality-with-cmd-dot