IPA: /ˈbrɪskli/
KK: /brɪskli/
In a quick and energetic manner.
She walked briskly to catch the bus.
Briskly → It is formed from "brisk" (of uncertain origin, possibly from Middle Dutch "bruske", meaning lively or active) and the suffix "-ly" (meaning in a manner of). The word "briskly" means in a lively or active manner.
Think of being lively and active when you hear 'brisk' — adding '-ly' means doing something in that lively way.