This is the 6897th most frequent Catalan word.
uem
"Uem" is not a recognized Catalan word. It may be a typo or a regional term.
The word 'hem' in Catalan represents the first-person plural of the auxiliary verb 'to have' (hemos in Spanish), used here in the formation of the perfect tense.
Ens hem perdut mentre exploràvem el bosc.
We got lost while exploring the forest.
Here, 'hem' again serves as an auxiliary verb in perfect tense construction for third-person plural.
Ells hem ajudat a portar les caixes.
They have helped to carry the boxes.
In this example, 'hem' is a first-person plural auxiliary verb, emphasizing the consistent action over time.