creiglys

Middle Welsh

creig (“rock”) +‎ llys (“court”).^[1]

creiglys m or f (creiglysoeð)

Mutated forms of *creiglys*
radical	soft	nasal	aspirate
creiglys	greiglys	creiglys / chreiglys pronounced with /ŋ̊-/	chreiglys

Note: Certain mutated forms of some words can never occur in standard Middle Welsh.
All possible mutated forms are displayed for convenience.

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

By surface analysis, craig (“rock”) +‎ llys (“herb, wort”).^[1]

creiglys m

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