arbor.
tree; tree trunk; mast; oar; ship; gallows; spearshaft; beam; squid?;
Meaning & usage
a tree
felix arbor
arbores serere
something made from a tree, of wood
arbore mali
centenaque arbore fluctum verberat adsurgens
the polypus (imagined to have arms like the branches of a tree)
Where this word comes from
Etymology tree Proto-Indo-European *h₃er- Proto-Indo-European *dʰeh₁- Proto-Indo-European *-eti Proto-Indo-European *-dʰh₁eti Proto-Indo-European *-dʰeti Proto-Indo-European *h₃érdʰeti? Proto-Indo-European *h₃erdʰ- Proto-Indo-European *-os Proto-Indo-European *-s Proto-Indo-European *-ōs Proto-Indo-European *h₃r̥dʰōs Proto-Italic *arðōs Old Latin arbōs Latin arbor By rhotacism from Old Latin arbōs, from Proto-Italic *arðōs, from Proto-Indo-European *h₃r̥dʰ-ōs, from *h₃erdʰ- (“high; to grow”), meaning "high upright plant". Cognate with arduus (“high”). For whatever reason, Schrijver considers the connection "doubtful."
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.