Etymology

ferrugo

F4E1R1R1U1G2O1

Today it means: rust (plant disease). Full definition →

Latin ferrūgō
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The story

  1. Latin · borrowed fromferrūgō“iron rust”
  2. English todayferrugo

Borrowed from Latin ferrūgō (“iron rust”), from ferrum (“iron”).

Etymology from Wiktionary, CC BY-SA 4.0.