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Great-grandfather in Irish (Sin-seanathair): Meaning, Pronunciation, Usage

The Irish for great-grandfather is sin-seanathair, a masculine noun (plural sin-seanaithreacha).
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How to say “great-grandfather” in Irish

Irish:
sin-seanathair
English:
great-grandfather
Word type:
noun
Gender:
masculine
Pronunciation:
“SHIN-shan-a-hir”  /ˈʃɪnʲˌʃanˠahəɾʲ/
Various forms
Plural:
sin-seanaithreacha (great-grandfathers)
Genitive singular:
sin-seanathar, an tsin-seanathar (e.g. teach mo shin-seanathar, my great-grandfather's house)
Genitive plural:
sin-seanaithreacha, na sin-seanaithreacha (e.g. ainmneacha na sin-seanaithreacha, the great-grandfathers' names)

What does “sin-seanathair” mean?

great-grandfather
The father of one of your grandparents.Also: great grandfather, ancestor.

“Sin-seanathair” with the article

The plural of great-grandfather in Irish is sin-seanaithreacha. Here is sin-seanathair after the article (an t-alt), in the singular and the plural.

an sin-seanathair
the great-grandfather
No change after an
na sin-seanaithreacha
the great-grandfathers
Plural: no change after na

“Sin-seanathair” in a sentence: Irish examples

Common Irish sentences using sin-seanathair, the Irish word for great-grandfather.

Rugadh mo shin-seanathair i gContae Mhaigh Eo.
My great-grandfather was born in County Mayo.
Bhí mo shin-seanathair ina iascaire ar feadh a shaoil.
My great-grandfather was a fisherman all his life.
Seo grianghraf de mo shin-seanathair.
This is a photo of my great-grandfather.
Ba le mo shin-seanathair an fheirm seo fadó.
This farm belonged to my great-grandfather long ago.
Tá uaigh mo shin-seanathar sa reilig seo.
My great-grandfather's grave is in this graveyard.
Chuaigh a sin-seanathair go Meiriceá sa bhliain 1890.
Her great-grandfather went to America in 1890.

Other nouns in Irish

More everyday Irish nouns to learn next.

Great-grandfather in Irish: frequently asked questions

What is the Irish for great-grandfather?

The Irish for great-grandfather is sin-seanathair (pronounced “SHIN-shan-a-hir”). It’s a masculine noun and the plural is sin-seanaithreacha.

How do you pronounce sin-seanathair in Irish?

Sin-seanathair is said like “SHIN-shan-a-hir” (IPA /ˈʃɪnʲˌʃanˠahəɾʲ/).

What is the plural of great-grandfather in Irish?

The plural of sin-seanathair is sin-seanaithreacha; with the article, na sin-seanaithreacha means “the great-grandfathers”. The genitive plural is sin-seanaithreacha, as in ainmneacha na sin-seanaithreacha (the great-grandfathers' names).

Why does sin-seanathair change to shin-seanathair?

After words like mo (my) and do (your) the first letter is lenited: mo shin-seanathair. After ár (our) it stays ár sin-seanathair, because s does not take eclipsis.

How do I say great-grandmother?

Great-grandmother is 'sin-seanmháthair', built the same way from 'seanmháthair'.

What does the 'sin-' prefix add?

'Sin-' adds one generation, so 'seanathair' is grandfather and 'sin-seanathair' is great-grandfather; it is related to 'sinsear', ancestor.

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