Definition of ur- in US English:

ur-

combining form

  • Primitive, original, or earliest.

    ‘urtext’
    ancient, earliest, first, prehistoric, antediluvian, antique, primordial, primeval, primal, primary, lower, original, proto-, ur-
    View synonyms

Origin

From German.

Pronunciation

ur-

/ʊ(ə)r/