Where does “wyth ar hugain” come from?

wyth ar hugain (Welsh) comes from Welsh ar, from Middle Welsh ar, from Proto-Brythonic ar, from Proto-Celtic aros, from Proto-Indo-European h₂erh₃-o-, from Proto-Indo-European h₂erh₃-, from Proto-Indo-European h₁er- — earth.

wyth ar hugain (Welsh): twenty-eight

Definitions

  1. twenty-eight

Ancestry of “wyth ar hugain”, step by step

wyth ar hugain traces back through 3 separate lines of ancestry.

via Welsh ar

StepLanguageWordMeaning
1Welsharon; about to
2Middle Welsharon, upon; over, of; he/she who, whoever
3Proto-Brythonicarin front of; ploughing, ploughed land
4Proto-Celticarosploughing, ploughed land
5Proto-Indo-Europeanh₂erh₃-o-ploughing
6Proto-Indo-Europeanh₂erh₃-to plough
7Proto-Indo-Europeanh₁er-earth

via Welsh ugain

StepLanguageWordMeaning
1Welshugaintwenty; score
2Old Welshuceint
3Proto-Brythonicʉgėnt
4Proto-Celticwikantītwenty
5Proto-Indo-Europeanh₁wih₁ḱm̥t
6Proto-Indo-Europeandwi(h₁)dḱm̥titwo tens; two decades; twenty; two-ten

via Welsh wyth

StepLanguageWordMeaning
1Welshwytheight
2Proto-Brythonicüiθeight
3Proto-Celticoxtūeight
4Proto-Indo-Europeanoḱtṓweight
5Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...
Every word from Proto-Indo-European h₁er-Every word from Proto-Indo-European h₂erh₃-Every word from Proto-Indo-European h₂erh₃-o-