Where does “tystlythyr” come from?

tystlythyr (Welsh) comes from Welsh tyst, from Middle Welsh tyst, from Proto-Brythonic *tɨst, from Latin testis, from Latin terstis, from Latin trīstis, from Proto-Indo-European tristh₂s, from Proto-Indo-European steh₂- — to stand.

tystlythyr (Welsh): reference, testimonial, letter of recommendation

Definitions

  1. reference, testimonial, letter of recommendation

Ancestry of “tystlythyr”, step by step

tystlythyr traces back through two separate lines of ancestry.

via Welsh tyst

StepLanguageWordMeaning
1Welshtystwitness
2Middle Welshtyst
3Proto-Brythonic*tɨst
4Latintestiswitness; one who testifies or attests; testicle
5Latinterstis
6Latintrīstissad, unhappy, melancholy, morose
7Proto-Indo-Europeantristh₂sa third party standing, after the two parties to...
8Proto-Indo-Europeansteh₂-to stand

via Welsh llythyr

StepLanguageWordMeaning
1Welshllythyrletter, epistle
2Latinlitteraa letter of the alphabet; handwriting; letter,...
3Latinlītera
4Old Latinleitera
5Proto-Indo-Europeanh₂leyH-to smear
6Proto-Indo-Europeanleyh₂-to die, disapear; to avoid, elude, decline,...
Every word from Proto-Indo-European steh₂-