Etymology

tillite

T1I1L1L1I1T1E1

Today it means: Glacial till cemented into a solid rock. Full definition →

German Tillit
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The story

  1. German · derived fromTillit
  2. English todaytillite

From till + -ite, after German Tillit.

Etymology from Wiktionary, CC BY-SA 4.0.