So are there intact sentences which give context to the usage?
Yes. Both On Anger and On Frank Criticism have much of their papyri intact. Here's a better link to Column 1 of On Anger:
Philodemi epicurei De ira liber : Philodemus : Free Download, Borrow, and Streaming : Internet Archive
Book digitized by Google from the library of the University of Michigan and uploaded to the Internet Archive by user tpb.
archive.org