"Caher" derives from the Irish "cathair", referring to a stone fort or enclosure, the kind of roughly circular walled structure that punctuates the Irish landscape in considerable numbers, particularly across Munster. That the townland should be named for such a feature, and that an enclosure monument is formally recorded there, suggests the site was significant enough to anchor local identity across centuries of placename use.

Enclosures of this kind were typically built during the early medieval period, though some have prehistoric origins, and they served a range of purposes: cattle management, habitation, status display, or some combination of all three. Stone-walled examples in Clare and the wider Munster region vary considerably in scale and preservation, from low grass-covered banks barely traceable in a field to substantial standing walls several metres high. Without more detailed information available for this particular site, it is difficult to say where Caherhurly sits on that spectrum, but the recorded presence of the monument places it within a broader pattern of enclosed settlement that shaped rural Clare for well over a millennium.