From Middle English goodnesse, godnesse, from Old English gōdnes (“goodness; virtue; kindness”), from Proto-West Germanic *gōdnassī (“goodness”), equivalent to good + -ness. Cognate with Scots guidness (“goodness”), West Frisian goedens (“goodness”), Old High German guotnessī (“goodness”), Middle High German guotnisse (“goodness”), Russian годность (godnostʹ, “suitability, fitness”).