It derives from the Irish, most likely containing the element loisín, a diminutive word for a small enclosure or earthwork, which points toward the very feature recorded here: an ancient enclosed site whose precise form, age, and origins remain, for now, undocumented in any publicly accessible record. Enclosures of this kind turn up across Ireland in considerable variety, from the circular earthen ringforts that once served as defended farmsteads during the early medieval period, to more irregular enclosures of uncertain or prehistoric date. What category this one falls into is not yet clear from available sources.

The name Lisheenvicknaheeha is itself a compressed piece of local history. Irish placenames of this type often preserve information about the landscape, its former occupants, or a descriptive feature that would otherwise be entirely lost. The middle element may reflect a personal name, possibly a Gaelic family or individual associated with the land at some point before the anglicisation of the townland name fixed the sound in approximate written form. Clare is a county dense with such earthworks, many of them unmarked on the ground except for a low grassy bank or a slight rise in a field, and a significant number carry placenames that hint at their presence long before any formal survey recorded them.