Where does “aeronen” come from?

aeronen (Welsh) comes from Welsh aeron, from Proto-Brythonic aɨron, from Proto-Celtic agronā, from Proto-Indo-European h₂ógeh₂ — small fruit ~ berry; berry, fruit.

Ancestry of “aeronen”, step by step

StepLanguageWordMeaning
1Welshaeronfruits; berries
2Proto-Brythonicaɨronberries
3Proto-Celticagronāberries, sloes
4Proto-Indo-Europeanh₂ógeh₂small fruit ~ berry; berry, fruit
Every word from Proto-Indo-European h₂ógeh₂ →Every word from Proto-Celtic agronā →Every word from Proto-Brythonic aɨron →