The name Somerset itself is a curiosity, one of those anglicised or planter-era placenames that occasionally surface in the west of Ireland, sitting at odds with the Connacht terrain around it. The earthwork, whatever its precise form, belongs to a broad category of field monuments that can include anything from the raised banks of a ringfort, a type of enclosed farmstead common in early medieval Ireland, to the remnants of a later field boundary, a mill race, or a defensive enclosure. Without more specific detail, the feature keeps its own counsel.

Earthworks of this kind are often all that remains above ground of centuries of human activity. In the Irish midlands and west, such features were frequently left undisturbed simply because the land around them was too wet, too rocky, or too marginal for intensive agriculture. That neglect, however accidental, is often what preserved them. Somerset townland sits within a county whose landscape is layered with evidence of settlement stretching back thousands of years, from Bronze Age field systems to medieval tower houses, and a modest earthwork can be as archaeologically significant as a more legible monument, even if it takes more effort to read.