dubo.
doubt (disbelief or uncertainty about something; a particular instance of such disbelief or uncertainty)
Meaning & usage
doubt (disbelief or uncertainty about something; a particular instance of such disbelief or uncertainty)
Where this word comes from
Etymology tree Esperanto dubi Proto-Indo-European *-ós Proto-Indo-European *-os Proto-Indo-European *-ós Proto-Indo-European *-ós Proto-Indo-European *-ós Proto-Indo-European *-ós Proto-Indo-European *-os Proto-Italic *-os Archaic Latin -os Latin -um Italian -oder. Proto-Indo-European *-om Proto-Italic *-om Latin -um Spanish -oder. Ancient Greek -οι (-oi)der. Esperanto -o Esperanto dubo From dubi (“to doubt”, verb) + -o (nominal suffix).
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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.