'Male' comes from Latin masculus ('male'), which was then shortened to masle in Old French. 'Human' derives from the Latin humanus and has nothing to do with the word 'man'. Now, let's settle how to handle 'human' and 'male. This was natural, given the pervasive sexism at the time, where male was viewed as the 'default' gender. Man kept its definition as 'person' until the 20th century, when people assumed that it excluded women -understandably, since many men were using it in that way- so it’s fallen out of use for the most part, keeping the definition it has today.
