blwyddyn golau

Welsh

Etymology

From blwyddyn (“year”) +‎ golau (“light”).

Pronunciation

• (North Wales, standard) IPA^(key): /ˌblʊɨ̯ðɨ̞n ˈɡɔlaɨ̯/
  • (North Wales, colloquial) IPA^(key): /ˌblʊɨ̯ðɨ̞n ˈɡɔlɛ/, /ˌblʊɨ̯ðɨ̞n ˈɡɔla/
• (South Wales, standard) IPA^(key): /ˌblʊi̯ðɪn ˈɡoːlai̯/, /ˌblʊi̯ðɪn ˈɡɔlai̯/
  • (South Wales, colloquial) IPA^(key): /ˌblʊi̯ðɪn ˈɡoːlɛ/, /ˌblʊi̯ðɪn ˈɡɔlɛ/

Noun

blwyddyn golau f (plural blynyddoedd golau)

1. (astronomy) light year

Mutation

Welsh mutation
radical	soft	nasal	aspirate
blwyddyn golau	flwyddyn golau	mlwyddyn golau	unchanged
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), “blwyddyn golau”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies