Welsh pump

← Proto-Brythonic *pɨmp (inherited)

← Proto-Celtic *kʷinkʷe (inherited)

← Proto-Indo-European *pénkʷe (inherited)

← Old Welsh pimp (inherited)

← Middle Welsh pymp (inherited)

→ English five (cognate)

→ English pimp (cognate)

→ Welsh pumed (affix)

→ Welsh pymtheg (affix)

→ Welsh pump ar hugain (compound)

→ Welsh un deg pump (compound)

→ Welsh dau ddeg pump (compound)