Definition of ur- in English:

ur-

  • 1Primitive, original, or earliest.

    ‘urtext’
    ancient, earliest, first, prehistoric, antediluvian, antique, primordial, primeval, primal, primary, lower, original, proto-, ur-
    1. 1.1Denoting someone or something regarded as embodying the basic or intrinsic qualities of a particular class or type.
      ‘ur-thespians Patrick Stewart and Ian McKellen’

Origin

From German.

Pronunciation

ur-

/əː/ /ʊə/