LS lexical entry for 'perpĕtŭum', subentry of 'perpetuus'
http://lila-erc.eu/data/lexicalResources/LewisShort/id/LexicalEntry/n35369.6_perpetuum an entity of type: LexicalEntry
LS lexical entry for 'perpĕtŭum', subentry of 'perpetuus'