From Ancient Greek φιλοσοφικός (philosophikós), from φιλοσοφία (philosophía, “love of knowledge”); equivalent to philosophia +‎ -icus.

• (Classical Latin) IPA^(key): [pʰɪ.ɫɔˈsɔ.pʰɪ.kʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [fi.loˈs̬ɔː.fi.kus]

philosophicus (feminine philosophica, neuter philosophicum, adverb philosophicē); first/second-declension adjective

1. philosophical
   • 1731, Johann Jakob Brucker, (Please provide the book title or journal name):

     Otium Vindelicum sive Meletematum Historico-philosophicorum Triga

     Augsburg Idleness, or, a Triga of Historico-Philosophical Essays

First/second-declension adjective.

• Asturian: filosóficu
• Catalan: filosòfic
• French: philosophique
• Galician: filosófico
• Italian: filosofico
  • → Maltese: filosofiku
• Portuguese: filosófico
• Romanian: filozofic
• Sicilian: filusòficu
• Spanish: filosófico

• “philosophicus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “philosophicus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.