Etymology of the English word epistyle
the English word epistyle
derived from the Latin word epistylium (architrave, crossbeam on, between columns)
derived from the Greek word epistulion, ἐπιστύλιον
using the Greek prefix epi-, ἐπι-
derived from the Byzantine Greek word epi, ἐπί (upon; properly, meaning superimposition (of time, place, order, etc.), as a relation of distribution (with the genitive case); over, upon, etc.; of rest (with the dative case) at, on, etc.; of direction (with the accusative case) towards, upon, etc.)