The first mention of the village is in a
Latin document from 1094 that uses the name Castro Novo. The term castrum or
castro in the 11th century was used to denote a fortified village, rather than
a castle (castellum). The current French name of "Châteauneuf" is
derived from this early Latin name and not from the ruined 14th-century castle
that towers above the village. Just over a century later in 1213 the village
was referred to as Castronovum Calcernarium. Other early documents use
Castronovo Caussornerio or Castrum Novum Casanerii. The official French name
became Châteauneuf Calcernier. The
