Definition of Yponomeuta
: a genus of black-spotted white moths that is the type of the family Yponomeutidae and that comprises the ermine moths
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Origin and Etymology of yponomeuta
New Latin, probably irregular from Greek hyponomeutēs miner, from hyponomeuein to undermine, from hyponomos underground passage, from hyponemesthai to eat away beneath, from hypo- + nemesthai to take food, graze, present middle infinitive of nemein to pasture — more at nimble
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