IPA: /ˈmjuːtʃuəli/
KK: /ˈmjuːtʃuəli/
In a way that involves two or more parties sharing or affecting each other equally.
The two companies agreed to mutually benefit from their partnership.
Mutually → It is formed from "mutuus" (meaning borrowed or exchanged) and the suffix "-ly" (which turns an adjective into an adverb). The word "mutually" means in a way that involves two or more parties exchanging or sharing something with each other.
Think of 'exchanging' ('mutuus') between two or more parties to remember that 'mutually' means something that is shared or done by all involved.