in English is:

heliotropism

Mutations

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

Use

yr heulgyrchedd hwn
fy heulgyrchedd i
dy heulgyrchedd di
ei heulgyrchedd ef/o
ei heulgyrchedd hi
ein heulgyrchedd ni
eich heulgyrchedd chi
eu heulgyrchedd nhw/hwy
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