Native speaker
In Emirati Arabic, “Welcome” is أهلاً وسهلاً (ahlan wa sahlan).
أهلاً وسهلاً
Welcome.
It's in the phrasebook under Greetings & how are you, with 14 more like it.
to a man
Source: DLIFLC Emirati Basic Language Survival Kit (2007). Credits and licences