User blog comment:Admiral Leviathan/How to Tell if Your Character is a Mary Sue/Gary Stu/@comment-24463386-20110228025704/@comment-24463386-20110228042243

You're all wrong. Gender originated in Latin where some words like puella (girl) were feminine and some words like puer (boy) were masculine. Sex is the term referring to the physical status of one's body (male or female).