To cover completely or hide; to conceal beneath something (archaic variant of 'becover').
From 'be-' plus 'covet' or related to 'covert' (hidden); the word shows confusion in historical texts between 'covet' (to desire) and 'cover' (to hide).
The blending of 'covet' and 'cover' in medieval spelling shows how scribes sometimes confused similar-sounding words—'becovet' is probably a scribal error that became its own word!
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