IPA: /ˈtwɪnɪŋ/
KK: /ˈtwɪnɪŋ/
A pairing or connection between two similar or identical things, often used to describe objects, concepts, or even people that are linked together.
The twinning of the two cities has led to cultural exchange programs.
Twinning → It is formed from "twin" (from Old English *twinn*, meaning twofold or double) and "-ing" (a suffix used to form nouns indicating an action or process). The word "twinning" refers to the process of forming or being in pairs or doubles.
Think of the word 'twin' which means twofold, and remember that 'twinning' describes the action of forming pairs.