Etymology

lepidopterous

L1E1P3I1D2O1P3T1E1R1O1U1S1

Today it means: Having scaly wings. Full definition →

Proto-Indo-European *h₃édosder.?
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The story

  1. Proto-Indo-European*h₃ed-
  2. Proto-Indo-European*h₃édosder.?
  3. English todaylepidopterous

From Translingual Lepidoptera + English -ous.

Etymology from Wiktionary, CC BY-SA 4.0.