Obs.1 [UP- 8, or f. prec. Cf. ON. uppstígari.] One who mounts; a rider.

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c. 1340.  Richard Rolle of Hampole, Prick of Conscience, 4180. Þe Dan … sal þe nedder be,… And sal byte þe hors by þe hufe harde, And mak þe upstegher fal bakwarde.

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