IPA: /ˈmʌltiˌsɔrs/
KK: /mʌltiˈsɔrs/
Relating to or involving several different sources.
The report was based on a multisource analysis of data from various studies.
Multisource → It is formed from "multi-" (meaning many) and "source" (from Latin "sourcere", meaning to rise or flow). The word "multisource" refers to something that comes from many different sources.
Think of 'many' ('multi-') origins or 'sources' — that's what multisource means.
No commonly confused words.