Where does “balanus” come from?

balanus (French) comes from Latin balanus, from Ancient Greek βάλανος, from Proto-Hellenic gʷə́lanos, from Proto-Indo-European gʷelh₂- — acorn.

Ancestry of “balanus”, step by step

StepLanguageWordMeaning
1Latinbalanusan acorn; a fruit or other object similar in form...
2Ancient Greekβάλανοςacorn; the tree that bears acorns, the oak;...
3Proto-Hellenicgʷə́lanos—
4Proto-Indo-Europeangʷelh₂-acorn
Every word from Proto-Indo-European gʷelh₂- →Every word from Proto-Hellenic gʷə́lanos →Every word from Ancient Greek βάλανος →