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lleihau

lessen

VerbB1/ɬei̯ˈhaɨ̯/

"lleihau" means "lessen" in Welsh (verb). Pronounced /ɬei̯ˈhaɨ̯/. Mutation forms: Treiglad Meddal → leihau.

Mutation forms

In Welsh, the first letter of "lleihau" changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formlleihau
Treiglad Meddalleihau

"lleihau" in context

Nid wyf am roi'r holl ganfyddiadau i chi, ond cytunodd 14 allan o 15 fod pwysau costau byw yn debygol iawn o arwain at orfod lleihau nifer y gwasanaethau a ddarperir.

I won't give you all the findings, but 14 out of 15 agreed that cost-of-living pressures are highly likely to result in them having to reduce the volume of services delivered.

B2

Ond pwrpas cyllido meysydd ataliol fel chwaraeon a diwylliant yw lleihau’r pwysau hynny.

However, the purpose of funding preventative areas such as sport and culture is to reduce those pressures.

B2

Daeth BSL ar yr agenda mewn ysgolion, a phob clod i'r Llywodraeth am hynny, ond mae hynny wedi lleihau, ac yn golygu bod angen dod o hyd i ateb mwy parhaol.

BSL came on the agenda in schools, and credit to the Government for that, but that has waned, and that means a more permanent solution needs to be found.

C1

Mae digwyddiadau tywydd eithafol fel storm Darragh fis Rhagfyr diwethaf yn debygol o ddod yn ddigwyddiadau mwy cyffredin, wrth inni fethu'n lân â lleihau ein hallyriadau carbon mor gyflym ag y mae'r arbenigwyr yn ein hannog i'w wneud.

Extreme weather events like storm Darragh last December are likely to become more common, as we are absolutely failing to reduce our carbon emissions as fast as the experts urge us to.

C1

Mae llifogydd eang ar ein tir arfordirol, oherwydd ein bod yn gwrthod lleihau ein defnydd o adnoddau'r byd, yn amlwg yn gwbl groes i Ddeddf Llesiant Cenedlaethau'r Dyfodol (Cymru) 2015.

Widespread flooding of our coastal land, because we refuse to reduce our consumption of the world's resources, is obviously completely contrary to the Well-being of Future Generations (Wales) Act 2015.

C1

Further reading

Welsh Mutations Explained — Soft, Nasal & Aspirate →Welsh Pronunciation — It's Actually Easier Than English →How to Learn Welsh as an Adult — A Step-by-Step Roadmap →Best Apps to Learn Welsh (2026) →Browse all Welsh vocabulary →

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Related Welsh words

bod

to be

cael

to get

gwneud

to do

caniatáu

to allow

cefnogi

to second

tueddu

to tend

gostwng

to lower, reduce

honni

to allege

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