For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tenno:packages/openSUSE_Tumbleweed/home:tenno:packages.repo
zypper refresh
zypper install redict
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tenno:packages/openSUSE_Slowroll/home:tenno:packages.repo
zypper refresh
zypper install redict
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tenno:packages/15.6/home:tenno:packages.repo
zypper refresh
zypper install redict