eistedd i fyny

Welsh

Verb

eistedd i fyny (first-person singular present eisteddaf i fyny)

  1. to sit up[1]
  2. (idiomatic) to stay up (not go to bed)[1]

References

  1. 1.0 1.1 R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “eisteddaf”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies