Definition of historionomical in English:

historionomical

Pronunciation /hɪˌstɒrɪəˈnɒmɪkl/ /hɪˌstɔːrɪəˈnɒmɪkl/

adjective

rare
  • Of or relating to the principles that regulate the course of history.

Origin

Late 19th century; earliest use found in The Athenaeum. Apparently from ancient Greek ἱστορία history + -nomical.