IPA: /ˌɪntəˈjuːnɪvɜːsɪti/
KK: /ˌɪntərˈjunɪˌvɜrˌsɪti/
Relating to or occurring between different universities.
The interuniversity collaboration led to groundbreaking research in various fields.
Interuniversity → It is formed from "inter-" (meaning between) and "university" (from Latin "universitas", meaning a whole or community of teachers and scholars). The word "interuniversity" refers to something that occurs between or among universities.
Think of things that happen 'between' ('inter-') different 'universities' — that's what interuniversity means.