Suis finibus

[john abshire]

....Cum aut suis finibus eos prohibent...
.....When they either repel them from their own territories.....
Is suis finibus dative?, I.e.” from their (own) territories”?

 

[Pacifica]

It's ablative.

 

[john abshire]

It's ablative.

Google says “ablative of separation” or origin, being one of the 3 without a preposition. Thanks