Plancius

From Plancus (agnomen and cognomen) +‎ -ius (“-y”, adjective-forming suffix) or directly from plancus (“flat-footed”) +‎ -ius. Compare Laevus & Laevius and Plautus & Plautius.

• (Classical Latin) IPA^(key): [ˈpɫaŋ.ki.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈplan̠ʲ.t͡ʃi.us]

Plancius m sg (genitive Planciī or Plancī); second declension

1. a nomen (nomen gentile), a Roman family name

   Marcus Plancius Varus

    

Second-declension noun, singular only.

¹Found in older Latin (until the Augustan Age).

• Gens Plancia at the English Wikipedia

• “Plancius”, in William Smith, editor (1848), A Dictionary of Greek and Roman Biography and Mythology, London: John Murray
• Plancius in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.