The townland name itself translates roughly from Irish as "the rough quarter", a description that suggests marginal land, the kind of terrain where people historically built temporary or seasonal shelters rather than permanent homes.

Hut sites in Ireland range considerably in age and purpose. Some are the remains of booley huts, the small stone shelters used by herders who brought livestock to upland pastures during summer months, a practice known as transhumance that persisted in parts of the west into relatively recent centuries. Others are far older, associated with prehistoric settlement or with early medieval activity. Without further detail specific to this site, it is not possible to say which category it falls into, or whether any excavation or detailed survey has been carried out. The name An Cheathrú Gharbh places it firmly in the Gaelic topographical tradition of Mayo, where landscape features were described with functional precision rather than sentiment, and the presence of a recorded hut site here is a small marker of long human use of difficult ground.