In or into a bushy state; concealed in or among bushes.
From a- (prefix meaning 'in' or 'into') + bush, originally meaning to hide or lurk in bushes, archaic usage from Old English.
This word captures a moment in English when we added 'a-' to verbs to create different meanings—'aside,' 'asleep,' 'afire'—but 'abush' never caught on like the others because we preferred 'in the bushes' instead.
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