undeg

For the archaic meaning, Inherited from Middle Welsh undec, By surface analysis, un (“one”) +‎ deg (“ten”), literally “one [plus] ten”. For the modern meaning, un (“one”) +‎ deg (“ten”), literally “one [times] ten”.

• (North Wales) IPA^(key): /ˈɨ̞ndɛɡ/
• (South Wales) IPA^(key): /ˈɪndɛɡ/

undeg m or f (ordinal undegfed)

1. (archaic) eleven

   Synonyms: (vigesimal) un ar ddeg, (decimal) un deg un

   • 1832: “Cynhafal”, Efelychiad o Horace (Emulation of Horace), book III, ode 9, “Ymddiddan rhwng Madog a Rhonwen”

     Pan oeddwn gan ti yn dderbyniol,
      Heb undeg mwy hardd-deg ei raen;
     Yn gallu ‛th gofleidio yn anwylaidd,
      Nid ydoedd un Brenin o’m blaen.

     (please add an English translation of this quotation)

2. (bound morpheme, decimal, nonstandard) -teen

   Synonym: ar ddeg

• undeg un (“11”)
• undeg dau (“12”)
• undeg tri (“13”)
• undeg pedwar (“14”)
• undeg pump (“15”)
• undeg chwech (“16”)
• undeg saith (“17”)
• undeg wyth (“18”)
• undeg naw (“19”)

• “Undeg” listed on page 605 of William Owen Pughe’s Dictionary of the Welsh Language (1832)
• “Undeg” listed on page 270 of William Richards’ Welsh and English Dictionary (1832)
• “Undeg” listed on page 303 of Ellis Jones’ New Pocket Dictionary of the Welsh and English Languages (1840)