Meaning of septenarious in English:

septenarious

Pronunciation /ˌsɛptɪˈnɛːrɪəs/

adjective

rare
  • Of or relating to the number seven; having seven in number.

Origin

Mid 17th century; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From classical Latin septēnārius septenary + -ous.