To cover is to put something over or on top of something else to protect, hide, or fill it; it can also mean to include a topic or area.
From Old French “covrir,” from Latin “cooperire” (to cover completely), from “co-” (together) and “operire” (to shut, close). The core idea is closing something off with a layer.
We ‘cover’ beds, stories, songs, and distances, but the root idea is always putting something over something else. A news report ‘covers’ an event by laying a layer of words over reality so more people can see it.
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