Ur-source

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An original source.

    "If this lecture is indeed the ur-source of “America's Best Idea,” it is ironic that Bryce's flattery has been remembered, even streamlined, while the rest of his address has been entirely forgotten."

Example

More examples

"If this lecture is indeed the ur-source of “America's Best Idea,” it is ironic that Bryce's flattery has been remembered, even streamlined, while the rest of his address has been entirely forgotten."

Etymology

From ur- + source.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.