suppletory

suppletory

(ˈsʌplɪtərɪ; -trɪ) adjarchaic remedying deficiencies; supplementary ˈsuppletorily adv

sup•ple•to•ry

(ˈsʌp lɪˌtɔr i, -ˌtoʊr i)

adj. supplying a deficiency. [1620–30; < Late Latin supplētōrius=supplē(re) + -tōrius -tory1]
Translations
supplétoire