IPA: /ˌmʌltiˈbrænʧt/
KK: /mʌltiˈbrænʧt/
Having more than one branch.
The tree was multibranched, providing plenty of shade.
Multibranched → It is formed from "multi-" (meaning many) and "branched" (from the root "branch", which comes from Old English "brænc", meaning a division or offshoot). The word "multibranched" means having many branches or divisions.
Think of 'many' ('multi-') and 'divisions' ('branched') to remember that 'multibranched' refers to something that has many branches.
No commonly confused words.