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Bottom layer in Irish (Bunsraith): Meaning, Pronunciation, Usage

‘bunsraith’ also means: substratum

The Irish for bottom layer is bunsraith, a feminine noun (plural bunsraitheanna).
Updated October 2026Report a mistake

How to say “bottom layer” in Irish

Irish:
bunsraith
English:
bottom layer, substratum
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“BUN-sra-huh”  /ˈbʊnˌsˠɾˠahə/
Various forms
Plural:
bunsraitheanna (bottom layers)
Genitive singular:
bunsraithe, na bunsraithe (e.g. dath na bunsraithe, the colour of the bottom layer)
Genitive plural:
bunsraitheanna, na mbunsraitheanna (e.g. anailís na mbunsraitheanna, analysis of the bottom layers)

What does “bunsraith” mean?

“Bunsraith” has two alternative meanings. The most common comes first.

bottom layer
The lowest layer of something, lying underneath the other layers.Also: base layer, foundation, lowest layer.
1 other meaning: substratum
2substratum
An underlying layer or basis, especially in geology or in language.Also: substrate, underlying layer.

“Bunsraith” with the article

The plural of bottom layer in Irish is bunsraitheanna. Here is bunsraith after the article (an t-alt), in the singular and the plural.

an bhunsraith
the bottom layer
Lenition: b becomes bh after an (feminine noun)
na bunsraitheanna
the bottom layers
Plural: no change after na

“Bunsraith” in a sentence: Irish examples

Common Irish sentences using bunsraith, the Irish word for bottom layer.

Is cré dhubh an bhunsraith sa ghairdín seo.
The bottom layer in this garden is black clay.
Cuir bunsraith phéinte ar an mballa ar dtús.
Put a base coat of paint on the wall first.
Fuarthas cnámha sa bhunsraith den láithreán.
Bones were found in the bottom layer of the site.
Tá an bhunsraith carraige an-chrua anseo.
The bedrock layer is very hard here.
Rinne siad staidéar ar bhunsraitheanna na talún.
They studied the lower layers of the ground.
Bhí uisce i mbunsraith na cré.
There was water in the bottom layer of the soil.
Tá tionchar ag bunsraith Cheilteach ar an teanga sin.
A Celtic substratum influences that language.

Other nouns in Irish

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Bottom layer in Irish: frequently asked questions

What is the Irish for bottom layer?

The Irish for bottom layer is bunsraith (pronounced “BUN-sra-huh”). It’s a feminine noun and the plural is bunsraitheanna. Depending on context it can also mean substratum.

How do you pronounce bunsraith in Irish?

Bunsraith is said like “BUN-sra-huh” (IPA /ˈbʊnˌsˠɾˠahə/).

What is the plural of bottom layer in Irish?

The plural of bunsraith is bunsraitheanna; with the article, na bunsraitheanna means “the bottom layers”. The genitive plural is bunsraitheanna, as in anailís na mbunsraitheanna (analysis of the bottom layers).

Does bunsraith have more than one meaning?

Yes. Bunsraith can mean bottom layer or substratum, depending on context; the first is the most common.

Why does bunsraith change to bhunsraith or mbunsraith?

Irish changes the start of some words after certain words. After mo (my) bunsraith becomes mo bhunsraith (lenition), and after ár (our) or i (in) it becomes ár mbunsraith (eclipsis).

How does bunsraith differ from dúshraith?

Bunsraith is the bottom layer of something, while dúshraith usually means the foundation of a building or the groundwork of an idea.

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