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Definition 2024

See also: deag

déag

Isn't used as a suffix, but as a separate word:

ocht - eight

ocht déag - eighteen
Items counted are placed before the first word and the second. The word is lenited where the item counted ends in a vowel:

aon ceann déag - eleven (items/things)

sé bliana dhéag - sixteen years

ocht n-úll déag - eighteen apples

Irish mutation
Radical	Lenition	Eclipsis
déag	dhéag	ndéag
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.