A fly that resembles a beetle or one that preys on beetles.
Compound word from 'beet' (beetle) and 'fly', combining Old English 'bitela' with 'fleoge', both referring to insects—a descriptive term created when such a creature needed naming.
This word perfectly captures how humans name things by combining the traits they notice—if it's beetle-like AND flies, it gets called a 'beetfly,' even if scientists gave it a completely different Latin name.
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