Dear Inselpeter: again I tried to send you a PM,
and got error message saying 'To line not filled out'.
Why don't you squawk to Wordsmith?
For you, I'll break a promise I made to myself not to post.
Dear Inselpeter: I found a site by a lady PhD which
says dogs eveolved from a crepuscular (I forget(
Look at the link, go down to fourth paragraph,
near end of tenth line:

So your Princeton Woods lady was just using a perfectly
acceptable technical word.