Numbers in Irish
Gaeilge
Numbers in Irish follow a vigesimal (base-20) system combined with decimal elements, making it a mixed counting system. Spoken primarily in Ireland and Northern Ireland, Irish Gaelic has around 78,000 speakers. Its unique counting rules involve combining words for tens, hundreds, and thousands with specific patterns, especially for numbers above twenty. This system reflects ancient Celtic influences and offers a fascinating glimpse into Irish culture and language structure. Understanding the numbers in Irish reveals the language’s rich history and complex numerical formation, making it a captivating subject for linguists and learners alike.
Number system
Irish counting employs a vigesimal system, where multiples of twenty form the basis for higher numbers. For example, 20 is fiche, and 30 is tríocha, which is 1×20 + 10. Numbers from 11 to 19 are formed by combining the unit with déag: 11 is aon déag, 12 is dó dhéag, and 19 is naoi déag. Tens like 40 (ceathair déag) combine the base ten with units, such as 25 (fiche a cúig) which is 1×20 + 5, and 43 (ceathracha a trí) which is 2×20 + 3. Hundreds are formed by placing the multiplier before céad: 200 is dó chéad, 300 is trì céad. Thousands follow a similar pattern: 2000 is dó mhíle, 3000 is trì míle. Compound numbers are built by combining these elements, e.g., 78 is seachtó a hocht (70 + 8).
Number list (29)
Counting rules
Counting digits from 0 to 9
Digits 0-9 have specific names: neoni [0], aon [1], dó [2], trí [3], ceathair [4], cúig [5], sé [6], seacht [7], ocht [8], naoi [9]. For example, 3 is trí, 7 is seacht, and 9 is naoi.
Forming teens (11-19)
Teens are created by combining the unit with déag: 11 is aon déag, 12 is dó dhéag, 19 is naoi déag. For 12, the word dó dhéag uses lenition, showing the pattern of adding déag after the unit.
Forming tens (20, 30, ... 90)
Tens are based on specific words: fiche [20], tríocha [30], ceathracha [40], caoga [50], seasca [60], seachtó [70], ochtó [80], nócha [90]. For example, 70 is seachtó, and 80 is ochtó.
Constructing compound numbers above twenty
Numbers like 25 are formed as fiche a cúig (20 + 5), and 43 as ceathracha a trí (40 + 3). The pattern is to start with the ten, then 'a' (particle), then the unit.
Hundreds
Hundreds are formed by placing the multiplier before céad: 100 is céad, 200 is dó chéad, 300 is trì céad, etc. For example, 600 is sé céad.
Thousands
Thousands follow a similar pattern: 1,000 is míle, 2,000 is dó mhíle, 3,000 is trì míle. For example, 4,500 is ceathair míle a cúig (4×1000 + 500).
Unique features
Irish uses a vigesimal (base-20) system, evident in 20 fiche and 40 ceathracha, unlike purely decimal systems.
Numbers like 25 (fiche a cúig) combine the base-20 with units, similar to French 'quatre-vingts' but with a different structure.
The formation of 12 dó dhéag involves lenition, showing grammatical features intertwined with counting.
Large numbers like 1,000 (míle) and 1,000,000 (milliún) are borrowed from Latin and English influences, respectively.
The word for 100, céad, is used in compound forms, reflecting a cultural emphasis on hundreds and thousands in traditional Irish society.
Cultural context
Irish is spoken mainly in Ireland and Northern Ireland, where it holds cultural and national significance. It is a symbol of Irish identity, with traditional music, literature, and festivals often featuring Irish numbers. In daily life, Irish numbers appear in trade, education, and cultural events, emphasizing heritage. Certain numbers, like 13, are considered unlucky, while others like 7 are seen as culturally significant. The language’s numerical system reflects its Celtic roots, with a strong emphasis on the vigesimal pattern, which connects to ancient counting practices. Despite modern influences, Irish retains its unique numerical structure, fostering cultural pride and linguistic continuity.
Fun facts
Fact 1: The number 78 is seachtó a hocht, combining 70 (seachtó) and 8 (ocht), illustrating the vigesimal pattern.
Fact 2: Unlike English, which is decimal, Irish’s use of 20 as a base is similar to French but with different words and formation rules.
Fact 3: The formation of 12 as dó dhéag involves lenition, a grammatical feature not present in many other languages’ counting systems.
Fact 4: The Irish word for million, milliún, is borrowed from Latin, reflecting historical linguistic influences.
Fact 5: Large numbers like 1,000,000 (milliún) are formed by combining Latin-derived words with native Irish structure, showing adaptability.
Frequently asked questions
How do you count to 10 in Irish?
1-aon, 2-dó, 3-trí, 4-ceathair, 5-cúig, 6-sé, 7-seacht, 8-ocht, 9-naoi, 10-deich.
What number base does Irish use?
Irish uses a vigesimal (base-20) system, evidenced by words like fiche [20], ceathracha [40], and seachtó [70], which are multiples of 20 combined with units.
How do you say 42 in Irish?
42 is ceathracha a trí, which means 2×20 + 2 + 3, formed by combining ceathracha (40) and a trí (3).
How do you say 100 in Irish?
100 is céad, and larger hundreds are formed by placing the multiplier before céad, e.g., dó chéad (200).
How many people speak Irish?
Approximately 78,000 people speak Irish, mainly in Ireland and Northern Ireland.
Is Irish related to other languages?
Yes, Irish is part of the Celtic branch of the Indo-European language family, related to Scottish Gaelic and Manx.
What makes Irish counting unique?
Its use of a vigesimal system, combining base-20 with decimal elements, and the grammatical features like lenition in numbers like dó dhéag.