blwyddyn naid

Welsh

Etymology

Calque of English leap year.

Noun

blwyddyn naid m (plural blynyddoedd naid)

1. leap year

   1 Mawrth yw'r 60fed dydd o'r flwyddyn yng Nghalendr Gregori (61ain mewn blynyddoedd naid).

   March 1st is the 60th day of the year in the Gregorian calendar (61st in leap years).

Related terms

• diwrnod naid

Further reading

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