morwyn

Welsh

From Proto-Brythonic *moruɨn, from Proto-Celtic *morēnā (compare Cornish moren), from Proto-Indo-European *méryos (“boy, girl”) (compare Latin marītus (“husband”), Ancient Greek μεῖραξ (meîrax, “boy, girl”), Sanskrit मर्य (márya, “young man; foal”)). Related to merch.

Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "cy-N" is not valid. See WT:LOL and WT:LOL/E. IPA^(key): /ˈmɔrʊɨ̯n/
Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "cy-S" is not valid. See WT:LOL and WT:LOL/E. IPA^(key): /ˈmoːrʊi̯n/, /ˈmɔrʊi̯n/

morwyn f (plural morynion)

morwyn f (plural morwynion)

Welsh mutation
radical	soft	nasal	aspirate
morwyn	forwyn	unchanged	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

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