LATIN DICTIONARYLexicon Latīnum
adjective · feminine

bignae

bignae f pl

Meaning

  1. femininepluraltwin (nominative plural feminine)
    Bignae geminae dicuntur, quia bis una die natae sunt.Twins are called bignae, because two are born in a single day.[1839 [8th century CE], Paulus Diaconus, edited by Karl Otfried Müller, Excerpta ex libris Pompeii Festi De significatione verborum, page 33:

bignae,
I. female twins, Paul. ex Fest. p. 33, 3 Müll. [contr. from bigenae, from bisgigno].

Origins

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Italic*dwi-
  4. Latinbignae

Latin -gnus Latin bignae From bi- (“two-”) + -gnus (“-born”).

Quick answers

What does bignae mean in Latin?
bignae, a adjective, means “twin (nominative plural feminine)”.
Where does bignae come from?
Proto-Indo-European *dwóh₁ → Proto-Indo-European *dwi- → Proto-Italic *dwi- → Latin bignae.