Welsh edit

Etymology edit

From tyst (witness) +‎ llythyr (letter).

Pronunciation edit

Noun edit

tystlythyr m (plural tystlythyrau)

  1. reference, testimonial, letter of recommendation
    Synonym: geirda

Mutation edit

Welsh mutation
radical soft nasal aspirate
tystlythyr dystlythyr nhystlythyr thystlythyr
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), “tystlythyr”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies