why get name milky way?

did the Milky Way get its name? 
In antiquated Greek and Roman legends, it was
trusted that the goddess Hera (Juno) spilt 
drain over the sky and called the white streak 
Is the Milky Way a piece of a group 
of cosmic systems? 
The Milky Way and three of its 
neighboring cosmic systems are a piece of a bigger 
bunch known as the Local Group (on the grounds that 
they are nearest to Earth). The neighboring 
cosmic systems in the Local Group are called 
Andromeda, and the Large and 
Little Magellanic Clouds. Of the 
35 cosmic systems in the Local Group, 
just these three can be seen 
with the bare eye. 
it exited a 'waterway of drain'. The Romans called it 
By means of Lactea or a 'street made of drain'. This is the secret 
our cosmic system came to be named the Milky Way.