Isn't "-man" an abbreviation of "human"? Justin Trudeau made a gaffe recently when an audience member referred to "mankind" and he erroneously insisted that she

Isn't "-man" an abbreviation of "human"? Justin Trudeau made a gaffe recently when an audience member referred to "mankind" and he erroneously insisted that she instead use the term "peoplekind". Surely "humankind" would be the term requested, if one felt the need to be pedantic.