plural noun
En·​to·​trophi | \¦entə+\

Definition of Entotrophi 

: an order of primitively wingless, eyeless, unpigmented insects that are related to the Symphyla and Thysanura, that have the mouthparts largely concealed within the head and the abdomen ending in a pair of filamentous or forceps-shaped cerci, and that live in the soil

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History and Etymology for Entotrophi

New Latin, from ent- + trophi

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to enclose within walls

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