What is the meaning of 'cyber'? Is it originated from 'cybernetice'?
Yes, "cyber" originated with "cybernetics."
http://www.acronymfinder.com/%5bnot-an-acronym%5d-a-prefix-which-derives-from-cybernetics%3b-used-to-denote-topics-related-to-computers-and%2for-networks-(CYBER).html
The term "cyber" is often associated with the digital realm, technology, and the Internet. It is indeed derived from the word "cybernetics."
To understand the meaning of "cyber," we can break it down into its etymology. It comes from the Greek word "kybernetes," meaning "steersman" or "governor." In the mid-20th century, the American mathematician Norbert Wiener coined the term "cybernetics" to describe the study of control and communication in both humans and machines. The word "cyber" was later derived from "cybernetics" to refer specifically to the digital or computerized aspects of this field.
Over time, "cyber" has become a prefix that denotes anything related to computers, information technology, virtual reality, and the Internet. For example, we use terms like "cybersecurity," "cybercrime," "cyberspace," or "cyberbullying" to describe various aspects of the digital domain.
In summary, "cyber" originated from the word "cybernetics" and is now commonly used to describe anything connected to computers, information technology, and the online world.