olemus
Wiktionary:
verb
1. (intransitive) to confirm and pay for goods and services at a facility (e.g.: supermarket, online store, hotel) when leaving
Be sure to check out of the hotel before noon.
I'm done shopping, so I'll go check out now.
3. (transitive) to record (someone) as leaving the premises or as taking something therefrom, as from a library or shop
The desk clerk checked out the family that had been staying in room 322.
The library assistant was checking people out.