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Tanistry in Irish (Tánaisteacht): Meaning, Pronunciation, Usage

‘tánaisteacht’ also means: office of tánaiste

The Irish for tanistry is tánaisteacht, a feminine noun.
Updated October 2026Report a mistake

How to say “tanistry” in Irish

Irish:
tánaisteacht
English:
tanistry, office of tánaiste
Word type:
noun
Gender:
feminine
Pronunciation:
“TAW-nish-tyakht”  /ˈt̪ˠaːnˠəʃtʲəxt̪ˠ/
Various forms
Genitive singular:
tánaisteachta, na tánaisteachta (e.g. córas na tánaisteachta, the system of tanistry)

What does “tánaisteacht” mean?

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

tanistry
The old Gaelic system of choosing a chief's successor, the tánaiste, from among his kin during his lifetime.Also: succession, heirship.
1 other meaning: office of tánaiste
2office of tánaiste
The position or office of Tánaiste, the deputy head of the Irish government.Also: deputy premiership, tánaisteship.

“Tánaisteacht” with the article

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

an tánaisteacht
the tanistry
No change: d and t are not lenited after an

“Tánaisteacht” in a sentence: Irish examples

Common Irish sentences using tánaisteacht, the Irish word for tanistry.

Bhí an tánaisteacht coitianta in Éirinn fadó.
Tanistry was common in Ireland long ago.
Ghlac sí leis an tánaisteacht anuraidh.
She took on the office of Tánaiste last year.
Mhínigh an múinteoir córas na tánaisteachta dúinn.
The teacher explained the system of tanistry to us.
Faoin tánaisteacht, roghnaíodh oidhre sular bhásaigh an taoiseach.
Under tanistry, an heir was chosen before the chief died.
Tá tánaisteacht ina hábhar suimiúil staire.
Tanistry is an interesting historical subject.
Chaill sé an tánaisteacht tar éis an toghcháin.
He lost the office of Tánaiste after the election.
Is cuid de dhlí na mBreithiúnas í an tánaisteacht.
Tanistry is part of Brehon law.

Other nouns in Irish

More everyday Irish nouns to learn next.

Tanistry in Irish: frequently asked questions

What is the Irish for tanistry?

The Irish for tanistry is tánaisteacht (pronounced “TAW-nish-tyakht”). It’s a feminine noun. Depending on context it can also mean office of tánaiste.

How do you pronounce tánaisteacht in Irish?

Tánaisteacht is said like “TAW-nish-tyakht” (IPA /ˈt̪ˠaːnˠəʃtʲəxt̪ˠ/).

Does tánaisteacht have a plural?

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

Does tánaisteacht have more than one meaning?

Yes. Tánaisteacht can mean tanistry or office of tánaiste, depending on context; the first is the most common.

Why does tánaisteacht change to thánaisteacht or dtánaisteacht?

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

How is tánaisteacht related to tánaiste?

Tánaisteacht is formed from tánaiste, the heir to a chief or now the deputy prime minister, and means the system of succession or the office of tánaiste.

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