physĭognōmon (noun M) = φυσιογνώμων: (a knower of nature; hence, one who knows a person's character from his features)
* A physiognomist: Zopyrus physiognomon, qui se profitebatur hominum mores naturasque ex corpore, oculis, vultu, fronte pernoscere,Cic. Fat. 5, 10; cf.: naturam cujusque ex formā perspicere,id. Tusc. 4, 37, 80.

s. TLL