Originally Posted By: tsuwm
>So unless somebody can show me a usage that is akin to saying "Get out," "Go west," or "Drive south" then I'm unconvinced of its claim to adverbial status.

"What shall we do with the artifacts we found?"
"Leave them in situ."


Okay, I can accept that if it is meant to be equivalent as "Leave them there." And yet if you said "Leave them in that place" it would just be a plain old preposition.

As for the Catalan, well...