A rare example of a Czech word ('robota') entering English. The original meaning was compulsory or slave labour. It was only in the 1920s that the idea of a 'humanoid' machine became established.
Kathleen Richardson points out in this BBC broadcast
http://www.bbc.co.uk/programmes/b00xpj0w#synopsis that our notions about robots are fanciful - they are generally clumsy, ineffective machines.
Japanese Androids Train for First Ever Robot Marathon