Definition of prothysteron in US English:

prothysteron

noun

Grammar Rhetoric
  • Hysteron proteron.

Origin

Late 19th century. From post-classical Latin prothysteron or its etymon Greek πρωθύστερον, in scholia (medieval Greek or earlier) on Euripides Phoenissae 887, use as noun of neuter of πρωθύστερος last first, in scholia (medieval Greek or earlier) on Euripides Orestes 702 from ancient Greek πρωτο- + ὕστερος later.

Pronunciation

prothysteron

/prəʊˈθɪstərɒn/