pum ugain

pum (“five”) +‎ ugain (“twenty”)

pum ugain (ordinal pumugeinfed)

1. (cardinal number, obsolete, vigesimal) Alternative form of pumhugain (“five score”)

   Synonym: cant

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “pum ugain”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies