"El spală până obosește."

Translation: He washes until he gets tired.

[LouisKelly5]

OCD?

[elenahappy.com]

What ?

[frankhauben]

Obsessive compulsive disorder

[coinaday]

Or never ending pile of dishes.

[siriaanne]

Why is this sentence in "Prepositions 1"???

Here, pana = until is not a preposition but a subordinating conjunction.

[vincemat]

He washes until he tires

[MauroBella2]

Spala means also clean, keep clean..