Overstep
来自Big Physics
wiktionary
From Middle English *oversteppen, from Old English ofersteppan, from Proto-Germanic *uberstapjaną(“to step over; overstep”), equivalent to over- + step. Cognate with Dutch overstappen, German Low German överstappen, German überstapfen, überstepfen.
etymonline
overstep (v.)
Old English ofersteppan "to step over or beyond; cross, exceed;" see over- + step (v.). From the beginning used in figurative senses. Related: Overstepped; overstepping.