Meanings
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1
verb
usually bestir oneself: to begin acting or moving with energy after a period of inactivity
We must bestir ourselves if we hope to finish before nightfall.
Thesaurus
Etymology
From Middle English bestyrien and Old English bestyrian, formed from be- + stir. The prefix makes the action intensive or transitive. Although the Old English verb could mean 'heap up,' the surviving construction bestir oneself means to rouse oneself into energetic action.