appurtenant/əˈpɜːtɪnənt/EtymologyFrom Middle English appurtenaunt, from Old French apurtenant.appurtenant means Of or pertaining to an appurtenance. Lexicurio rates it Rare gem — a strength score of 72 out of 100.adjOf or pertaining to an appurtenance.“a right of way appurtenant to land or buildings”Ancillary or subsidiary.nounAn appendage or attachment.An appurtenance.