aro.
any large circular band of material
Meaning & usage
any large circular band of material hoop (circular band of metal used to bind a barrel)
any large circular band of material rim (outer edge of a wheel)
aro de propulsão
any large circular band of material the frame of eyeglasses
any large circular band of material juggling ring
any large circular band of material cheesevat
outskirts (the region surrounding a city)
Where this word comes from
From Old Galician-Portuguese aro of uncertain origin, probably from Latin arvum (“field”) with the initial meaning of outskirts and later rim, since those where usually circular in shape. First attested in c. 13th century.. However, this does not explain how the unusual semantic development fully happened; Coromines thinks the meaning for ring could be of substrate origin, possibly borrowed from a Vasconic language, possibly cognate with Basque ao (“mouth”), or through a Celtic language, ultimately from Proto-Indo-European *h₂er- (“to join”), cognate with Sanskrit अर (ara, “spoke (of a wheel)”) and Latin arma, possibly also being the source for Galician arna and Asturian arna. Cognate with Spanish aro and Galician aro.
arum (any plant in the genus Arum)
Where this word comes from
Learned borrowing from Latin arum.
first-person singular present indicative of arar
Where this word comes from
See the etymology of the corresponding lemma form.
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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.