in English is:

plate glass

Mutations

Soft:blatwydr
Nasal:mhlatwydr
Aspirate:phlatwydr

Use

y platwydr hwn
fy mhlatwydr i
dy blatwydr di
ei blatwydr ef/o
ei phlatwydr hi
ein platwydr ni
eich platwydr chi
eu platwydr nhw/hwy
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