IPA: /koʊˈpʌblɪʃ/
KK: /koʊˈpʌblɪʃ/
To publish a work together with another publisher or to share the credit for publishing a work.
The two companies decided to copublish the new book to reach a wider audience.
Past: copublished
Past Participle: copublished
Copublish → It is formed from "co-" (meaning together) and "publish" (from Latin "publicare", meaning to make public). The word "copublish" means to make something public together with others.
Think of 'together' ('co-') when making something 'public' — that's why copublish means to publish something together.