the.com/coleoptera

means The scientific order name for beetles, the hard-shelled insects with forewings modified into protective covers over their flight wings.

from From Greek koleos ('sheath' — the kind a sword slides into) plus pteron ('wing'). Coined to describe the beetle's signature trick: its front wings harden into a case, the elytra, that folds down like a sheath to shield the delicate flying wings underneath. The name is usually credited to Aristotle's grouping of sheath-winged insects, later formalized into the Linnaean order Coleoptera in the 18th century.