in English is:

metalanguage

Mutations

Soft:(no mutation)
Nasal:(no mutation)
Aspirate:(no mutation)

Use

yr uwchiaith hon
fy uwchiaith i
dy uwchiaith di
ei uwchiaith ef/o
ei huwchiaith hi
ein huwchiaith ni
eich uwchiaith chi
eu huwchiaith nhw/hwy
External

Dictionary Portal

This is a library of dictionaries and other online resources where you can search further for uwchiaith*:

Specialist Dictionaries
Glossaries
Terminology
Encyclopedia
Example Sentences
Sentences containing:

*External websites will be opened in a new window.