compossible
Concise Oxford English Dictionary © 2008 Oxford University Press:
compossible/kəmˈpɒsɪb(ə)l/
▶adjective rare (of one thing) compatible or possible in conjunction with another.
– origin C17: from OFr., from med. L. compossibilis, from com- ‘together with’ + possibilis (see possible).
'compossible' also found in these Oxford entries:

