to lower, reduce
"gostwng" means "to lower, reduce" in Welsh (verb). Pronounced /ˈɡɔsdʊŋ/. Mutation forms: Treiglad Meddal → ostwng, Treiglad Trwynol → ngostwng.
In Welsh, the first letter of "gostwng" changes depending on the grammatical context. These are the mutated forms:
| Mutation | Form |
|---|---|
| Base form | gostwng |
| Treiglad Meddal | ostwng |
| Treiglad Trwynol | ngostwng |
Mae nifer yr athrawon plant byddar yng Nghymru yn gostwng, ac nid oes unman yng Nghymru lle gallwch hyfforddi i fod yn athro plant byddar.
The number of teachers of the deaf in Wales is falling, and there is nowhere in Wales where you can train to be a teacher of deaf children.
B2Oherwydd pan fydd incwm ffermydd yn gostwng, mae'r effeithiau'n eang.
Because, when farm income falls, the impacts are widespread.
C1Mae poblogaeth y DU o bryfed hedfan wedi gostwng 60 y cant mewn 20 mlynedd.
The UK's flying insects have declined by 60 per cent in 20 years.
C1Ydy, mae nifer y gweithredoedd wedi gostwng, ond nid yw'r hyn sydd yno'n hawdd.
Yes, there is a reduction in actions, but what is there isn't a walk in the park.
C1Mae teithiau gan deithwyr Cymru wedi gostwng.
Welsh passenger journeys have declined.
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