unarbymthegfed

Welsh

Welsh numbers ^(edit)

←  15	16	17  → [a], [b], [c], [d], [e], [f]
Cardinal (vigesimal): un ar bymtheg     Cardinal (decimal): un deg chwech     Ordinal (vigesimal): (non-standard) unarbymthegfed     Ordinal: unfed ar bymtheg     Ordinal abbreviation: 16eg
Welsh Wikipedia article on 16

Alternative forms

• 16fed (abbreviation)

Etymology

From unarbymtheg (“16”) +‎ -fed (“[-th]”).

Adjective

unarbymthegfed (feminine singular unarbymthegfed, plural unarbymthegfed, not comparable)

1. (ordinal number, nonstandard) sixteenth
   • [1832, William Owen Pughe, A Dictionary of the Welsh Language explained in English: with numerous illustrations from the literary remains and from the living speech of the Cymmry : To which is prefixed a Welsh grammar, Volume 1 (overall work in English), Gee, pages 106–107:

     Absolute numbers.	Numerals.	Ordinals.
     …
     Unarddeg	Unarddegwaith	Unarddegfed
     Deuarddeg	Deuarddegwaith	Deuarddegfed
     Triarddeg	Teirarddegwaith	Triarddegfed
     Pedwararddeg	Pedeirarddegwaith	Pedeirarddegfed
     Pymtheg	Pymthegwaith	Pymthegfed
     Unarbymtheg	Unarbymthegwaith	Unarbymthegfed

     Absolute numbers.	Numerals.	Ordinals.
     …
     eleven	eleven times	eleventh
     twelve	twelve times	twelfth
     thirteen	thirteen times	thirteenth
     fourteen	fourteen times	fourteenth
     fifteen	fifteen times	fifteenth
     sixteen	sixteen times	sixteenth

     ]

   • 1888 March, Iolo Morganwg, “Dosparth yr Awgrym”, in Y geninen cylchgrawn cenedlaethol, number Ceninen Gwyl Dewi, page 56:

     Awrgrym gair ac ymadrodd, sef llythyr, ar y degfed, ar yr unarbymthegfed, ac a yr ugeinfed, ac ar y pedairarhugeinfed.

     Suggest a word and a phrase, namely a letter, on the tenth, on the sixteenth, and on the twentieth, and on the twenty-fourth.

Mutation

Welsh mutation
radical	soft	nasal	h-prothesis
unarbymthegfed	unchanged	unchanged	hunarbymthegfed
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.