Origin of surbased; from surbase + -ed having a surbase
Origin of surbased< Fr surbaissé < sur- (see sur-) + baissé, pp. of baisser, to lower < VL *bassiare < bassus: see base designating an arch whose rise is less than half its span
Of or being an arch having a rise less than half its span.
Origin of surbasedFrom French surbaissé, past participle of surbaisser, to flatten : sur-, intensive pref. (from Old French; see sur–) + baisser, to lower (from Old French baissier, from Vulgar Latin *bassiare; see abase).
Having a surbase.