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Half in Irish (Leath): Meaning, Pronunciation, Usage

‘leath’ also means: side · to spread

The Irish for half is leath, a feminine noun.
Updated October 2026Report a mistake

How to say “half” in Irish

Irish:
leath
English:
half, side
Word type:
noun
Gender:
feminine, second declension
Pronunciation:
“lyah”  /lʲah/
Various forms
Genitive singular:
leithe, na leithe (e.g. luach na leithe, the value of the half)

What does “leath” mean?

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

half
One of two equal parts of something.Also: moiety, half share.
1 other meaning: side
2side
A side, part or direction, used mostly in set phrases such as 'i leith', 'ar leith' and 'faoi leith'.Also: part, direction, portion.
Other entries for “leath”

The same spelling has its own page as:

“Leath” with the article

Here is leath after the article (an t-alt).

an leath
the half
No change after an

“Leath” in a sentence: Irish examples

Common Irish sentences using leath, the Irish word for half.

Dhéanfadh leath an méid sin cúis.
Half of that amount would do.
Thug sé leath a dhinnéir don mhadra.
He gave half his dinner to the dog.
Thug mé a leath do mo dheartháir.
I gave half of it to my brother.
Tá leath an ranga tinn inniu.
Half the class is sick today.
D'fhanamar dhá uair go leith.
We waited two and a half hours.
Íocfaidh mé as mo leath féin.
I'll pay for my own half.
Tar i leith anseo, a stór.
Come over here, love.

Other nouns in Irish

More everyday Irish nouns to learn next.

Half in Irish: frequently asked questions

What is the Irish for half?

The Irish for half is leath (pronounced “lyah”). It’s a feminine noun. Depending on context it can also mean side.

How do you pronounce leath in Irish?

Leath is said like “lyah” (IPA /lʲah/).

Does leath have a plural?

No plural form is given for leath in the standard. Many abstract and mass nouns in Irish have no plural.

Does leath have more than one meaning?

Yes. Leath can mean half or side, depending on context; the first is the most common. Leath also has its own entry as a verb meaning to spread.

How do I say 'one and a half' or 'two and a half hours'?

Use 'go leith' after the noun: 'uair go leith' (an hour and a half), 'dhá lá go leith' (two and a half days).

Is 'leath' the same as the prefix in 'leathmhíle'?

Yes, 'leath-' is used as a prefix meaning half and lenites: 'leathuair' (half an hour), 'leathmhíle' (half a mile).

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