gage (n.) Look up gage at
"pledge," c.1300, from Old French gage "pledge (of battle), security, guarantee" (11c.), from Frankish *wadja-, from Proto-Germanic *wadi- (see wed). Italian gaggio, Spanish and Portuguese gage are French loan-words. The verb is late 15c., from French gager. Related: Gaged, gaging.
gage (v.) Look up gage at
see gauge. "The spelling variants gauge and gage have existed since the first recorded uses in Middle English, though in American English gage is found exclusively in technical uses" [Barnhart]. Related: Gaged; gaging.