The story
- Proto-Indo-European*h₃er-
- Proto-Indo-European*dʰeh₁-
- Proto-Indo-European*h₃érdʰeti?
- Proto-Indo-European*h₃erdʰ-
- Proto-Indo-European*h₃r̥dʰōs
- Proto-Italic*arðōs
- Old Latinarbōs
- Latinarbor
- English todayarboricide
Etymology from Wiktionary, CC BY-SA 4.0.