English vigesimal

← English (suffix)

← English al (suffix)

← Proto-Indo-European *wi(h₁)ḱm̥ttós (derived)

← Proto-Indo-European *h₁wih₁ḱm̥ti (cognate)

← Proto-Indo-European *dwi(h₁)dḱm̥ti(h₁) (mention)

← Proto-Indo-European *dwi(h₁)dḱm̥ti (mention)

← Latin vīcēsimus (derived)

← Latin *vīcēnssos (mention)

← Latin decimus (mention)

← Latin vīgintī (cognate)

→ English vicesimation (mention)