Where does “*wisperon” come from?

*wisperon (Old Dutch) comes from Proto-West Germanic *hwisprōn, from Proto-Germanic hwisprōną, from Proto-Indo-European ḱweys- — to hiss, whistle, whisper.

Ancestry of “*wisperon”, step by step

StepLanguageWordMeaning
1Proto-West Germanic*hwisprōn—
2Proto-Germanichwisprōnąto whistle, hiss, whisper
3Proto-Indo-Europeanḱweys-to hiss, whistle, whisper

Words derived from “*wisperon”

Every word from Proto-Indo-European ḱweys- →Every word from Proto-Germanic hwisprōną →Every word from Proto-West Germanic *hwisprōn →