"He has the cold."
Translation:Tha an cnatan air.
As described in the notes at https://duome.eu/tips/en/gd, esan is an emphatic pronoun. The notes also explain prepositional pronouns, which combine a preposition with personal pronouns into single words. What is not mentioned is that prepositional pronouns can also have emphatic forms. The table below uses the air as an example, as that is the preposition used in this sentence.
|Pronoun||Emphatic pronoun||Prepositional pronoun for air||Emphatic Prepositional Pronoun for air|