undydd unnos

Welsh

Etymology

Literally “a day, a night”.

Pronunciation

• (North Wales) IPA^(key): /ˌɨ̞ndɨ̞ð ˈɨ̞nɔs/
• (South Wales) IPA^(key): /ˌɪndɪð ˈɪnɔs/

Noun

undydd unnos m (uncountable)

1. a day and a night
2. (idiomatic) a short time
3. (idiomatic, biology) shortlived, ephemeral

   Synonyms: oesfyr, unnos, undydd

Adverb

undydd unnos

1. (idiomatic) in a short time
2. (idiomatic, biology) ephemerally

   Synonyms: oesfyr, unnos, undydd

Mutation

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

Further reading

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