boa.
large Italian snake; water serpent; disease with pustules (measles/smallpox);
Meaning & usage
A large snake native to Roman Italy.
A disease, the measles or smallpox.
Where this word comes from
First mentioned by Pliny. From Proto-Italic *gʷouā (with the b- due to a Sabellic intermediary), from Proto-Indo-European *gʷówyeh₂, a derivative of *gʷówyos (“pertaining to cows”). The semantic derivation stems from folk beliefs that snakes could drink cow milk; such folklore also underlies Serbo-Croatian guja and kravosas, the former being an exact cognate to the Latin word.
second-person singular present active imperative of boō
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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.