Fictional Amerindian soldiers leaving Canadian city (5)

I haven't cracked this one yet — but the brilliant team at Times for the Times have:

T{or}ONTO (Canadian city) [soldiers leaving]. Faithful sidekick of The Lone Ranger whom he always referred to as Kemo Sabe which is believed to translate as ‘trusty friend’ or ‘trusty scout’, or something like that, but there’s no definitive answer. Most famously, Tonto was played by Jay Silverheels, but others have taken the role, including Johnny Depp in a Disney version.