Native speaker
In Emirati Arabic, “Third” is ثالث (thaalith).
ثالث
Third
It's in the phrasebook under Numbers, prices & money, with 36 more like it.
thaanee
awal
hawaalee
agal min
akthar min
naagis
Source: DLIFLC Emirati Basic Language Survival Kit (2007). Credits and licences