Old Irish oc
- At, by, near, close by.
- Tha am balach na laighe aig an taigh. - The boy is lying at the house.
- A bheil iad aig an taigh? - Are they at home?
- In somebody's possession.
- Bha dithis mhac aig an duine. - The man had two sons.
- On account of.
- aig meud aigheir - on account of his excessive joy
- Scottish Gaelic doesn't have a verb equivalent to English have: possession is expressed using the preposition aig.
- Tha càr ùr aig an teaghlach. - The family has a new car. (literally A new car is at the family.)
- Aig combines with personal pronouns to form prepositional pronouns. See Derived forms below.
- The word aig and its derivates are also often used to express possession attributively instead of possessive pronouns:
- mo thaigh = an taigh agam = my house (literally the house at me)
- The Illustrated Gaelic-English Dictionary (Birlinn Limited, 1901-1911, Compiled by Edward Dwelly)
- A Pronouncing and Etymological Dictionary of the Gaelic Language (John Grant, Edinburgh, 1925, Complied by Malcolm MacLennan)