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-]
* * *
Universalium.
2010.