ur-

ur-¹

var. of uro-¹: uranalysis.

ur-²

var. of uro-² before a vowel: urite.

ur-³

(sometimes cap.)

a combining form meaning "earliest, original," used in words denoting the primal stage of a historical or cultural entity or phenomenon: ur-civilization; urtext.

[ < G ur-, MHG, OHG; c. OE or-]

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