IPA: //sʌbˈnɛtˌwɜrk//
KK: /sʌbˈnɛtˌwɜrk/
A smaller part of a larger network that operates independently or has its own specific functions.
The company created a subnetwork to manage its internal communications more efficiently.
Subnetwork → It is formed from "sub-" (meaning under or below) and "network" (from Middle English *netwerk*, meaning a system of interconnected things). The word "subnetwork" refers to a smaller network that is part of a larger network, existing beneath it.
Think of something that exists 'under' ('sub-') a larger system of connections ('network') — that's what a subnetwork is.