Dionysius

The Latin name Dionysius (/ˌdaɪəˈnɪʃiəs, -ˈnɪs-, -ˈnɪʃəs, -ˈnaɪsiəs/), a Romanized form of the Greek name Dionysios, was common in classical and post-classical times. Etymologically it is a nominal adjective formed with a -ios suffix from the stem Dionys- of the name of the pagan Greek god, Dionysos, parallel to Apollon-ios from Apollon, with meanings of Dionysos' and Apollo's, etc.

Although in most cases transmuted, it remains in many modern languages, such as English Dennis (Denys, Denis, Denise). The modern Greek (closest to the original) is Dionysios or Dionysis. The Spanish is Dionisio. The Italian is Dionigi and last name, Dionisi. Like Caesar in secular contexts, Dionysius sometimes became a title in religious contexts; for example, Dionysius was the episcopal title of the primates of Malankara Church (founded by Apostle Thomas in India) from 1765 until the amalgamation of that title with Catholicos of the East in 1934.

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