English vigorous

← English vigoroso (doublet)

← French vigoureux (mention)

← Old French vigrus (mention)

← Old French vigoros (mention)

← Latin vigorosus (mention)

← Latin vigor (mention)

→ English vigorously (suffix)

→ English vigoroso (doublet)

→ English vigorousness (affix)

→ English unvigorous (prefix)

→ English overvigorous (prefix)