Are yams and sweet potatoes the same?
1570s, from Middle English cauceweye "raised road" (mid-15c.), first element from Anglo-French cauce, Old North French cauciee (12c., Modern French chaussée), from Vulgar Latin *via calciata "paved way," from Latin calcis, genitive of calx (2) "limestone," or Late Latin calciare "to stamp with the heels, tread" (on notion of a road or mound across marshy ground made firm by treading down), from Latin calx (1) "heel." For second element, see way.
a raised way, an ascent by steps, or a raised slope between Zion and the temple (1 Chr. 26:16, 18). In 2 Chr. 9:11 the same word is translated "terrace."