physic
Concise Oxford English Dictionary © 2008 Oxford University Press:
physic /ˈfɪzɪk/ archaic
▶noun medicinal drugs or medical treatment. ▶verb (physics, physicking, physicked) treat with a medicine.
– origin ME: from OFr. fisique ‘medicine’, from L. physica, from Gk phusikē (epistēmē) ‘(knowledge) of nature’, from phusis ‘nature’.
'physic' also found in these Oxford entries:

