Etymology

Rudolphine

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Today it means: Pertaining to Rudolf II, Holy Roman Emperor (1552–1612). Full definition →

First used 17th c.
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The story

From Rudolph + -ine, after Rudolf II, Holy Roman Emperor.

First known use, by meaning

  • from 17th c. Pertaining to Rudolf II, Holy Roman Emperor (1552–1612).
  • from 17th c. Designating a set of astronomical calculations computed by Johannes Kepler in 1627, using data collected by Tycho Brahe (both of whom had Rudolf II as patron).

Etymology from Wiktionary, CC BY-SA 4.0.