Where does “*risi” come from?

*risi (Proto-Germanic) comes from Proto-Germanic risiz, from Proto-Germanic rīsaną, from Proto-Indo-European h₁rey- — to arise, arise; to rise, arise; to rise; arise.

Ancestry of “*risi”, step by step

StepLanguageWordMeaning
1Proto-Germanicrisiza giant
2Proto-Germanicrīsanąto scale; move vertically; to rise
3Proto-Indo-Europeanh₁rey-to arise, arise; to rise, arise; to rise; arise
Every word from Proto-Indo-European h₁rey- →Every word from Proto-Germanic rīsaną →Every word from Proto-Germanic risiz →