rheidiol

Welsh

Etymology

From rhaid +‎ -iol.

Adjective

rheidiol (feminine singular rheidiol, plural rheidiol, equative mor reidiol, comparative mwy rheidiol, superlative mwyaf rheidiol)

necessary, required

Mutation

Mutated forms of *rheidiol*
radical	soft	nasal	aspirate
rheidiol	reidiol	unchanged	unchanged

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