Its name in Irish, Toornanoulagh, likely derives from the word "tuar", meaning a bleaching green or animal enclosure, though the specific origins here remain unclear. The monument itself belongs to a broad category of prehistoric or early medieval field enclosures, the kind of roughly circular or oval boundary, usually defined by an earthen bank or stone wall, that once served to mark territory, protect livestock, or delineate a settlement. They appear across Kerry in considerable numbers, quiet interruptions in the landscape that most walkers pass without noticing.

Beyond its classification and location, the details of this particular enclosure, its dimensions, its construction, its date, and any associated finds or features, are not currently available in the public domain. The site sits in a county extraordinarily dense with prehistoric and early Christian archaeology, from promontory forts along the Dingle Peninsula to ring forts scattered across the Iveragh uplands, and this enclosure at Toornanoulagh is one of many such features that have been identified and catalogued but not yet fully documented for general access. The gap between recognition and published record is a common condition for minor monuments in Ireland, where the sheer volume of surviving archaeology consistently outpaces the resources available to describe it.