primum mobile

English

Etymology

Post-classical Latin (from Latin prīmum, neuter of prīmus (“first”) + mōbile, from mōbilis (“mobile”)), translating Arabic [Term?].

Pronunciation
  • IPA(key): /ˌpɹaɪməm ˈməʊbɪli/

Noun

primum mobile

  1. (historical) The outermost sphere of the heavens in Ptolemaic astronomy.
  2. (theology, philosophy) The prime mover or first cause.
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