Scroll one Proto-Indo-European root and watch it branch into tree, truth, druid, tar and dendrite

A scrolling explorable etymology that follows the root *deru- through sixteen steps, from English and Slavic descendants to oak, wisdom and Irish place names. Each branch is drawn as it comes up in the text.

Notes

The page doesn't mention AI; the public repo's commits are co-authored by Claude (checked on GitHub), the HN post doesn't say so.