Where does “erbo” come from?

erbo (Old High German) comes from Latin arbor, from Latin arbos, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.

Ancestry of “erbo”, step by step

StepLanguageWordMeaning
1Latinarbora tree; something made from a tree, of wood; the...
2LatinarbosAlternative form of arbor
3Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
4Proto-Indo-European-wósCreates adjectives from verb stems
Every word from Proto-Indo-European -wós →Every word from Proto-Indo-European h₃erdʰ- →Every word from Latin arbos →