Definition from Wiktionary, the free dictionary
Jump to navigation Jump to search



From Proto-Brythonic *pat- from Proto-Indo-European *kʷyeh₁- (to rest), with the suffix -io.[1]



peidio (first-person singular present peidiaf)

  1. (intransitive) to cease, stop, refrain

Usage notes[edit]

The imperative of this verb is used with â/ag plus verbal noun to form a negative imperative, for example:

  • Paid â mynd yn rhy feddw.Don't get too drunk. (literally, “Refrain from getting too drunk.”)
  • Peidiwch â phoeni am hynny.Don't worry about that.
  • Paid ag aros amdanaf i.Don't wait for me.

Other tenses of the verb can also be used to form a negative of a verbal noun:

  • Rydw i'n mwynhau peidio â gweithio ar ddydd Sadwrn.I enjoy not working on Saturdays.
  • Rhaid i chi beidio ag edrych yn syth ar yr haul.You must not look directly at the sun.



Welsh mutation
radical soft nasal aspirate
peidio beidio mheidio pheidio
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.

Further reading[edit]

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


  1. ^ Morris Jones, John (1913) A Welsh Grammar, Historical and Comparative, Oxford: Clarendon Press, § 201 iii (6)