Past tense of 'bestrow'; scattered or spread things over a surface in the past.
From 'bestrow' + '-ed' (past tense). The formation suggests 'bestrow' was regularized as a weak verb at some point, taking the standard '-ed' ending rather than the '-n' of strong verbs.
Interestingly, 'bestrowed' shows English verbs shifting from strong (irregular) to weak (regular) conjugation—a process that's been happening for centuries. Fewer people used this word, so it couldn't maintain its irregular form like 'bestrew' did.
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