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English word impossible comes from Latin ingratus (Thankless. Ungrateful. Unpleasant, disagreeable.), Latin possibilis (Possible, that may exist, that may be done.).

Impossible etymology ?

Impossible detailed word origin explanation

Dictionary entryLanguageDefinition
ingratus Latin (lat) Thankless. Ungrateful. Unpleasant, disagreeable.
possibilis Latin (lat) Possible, that may exist, that may be done.
impossibilis Latin (lat) Impossible.
impossible Old French (842-ca. 1400) (fro)
impossible English (eng) (obsolete) an impossibility (colloquial, of a person) Very difficult to deal with.. (math, dated) imaginary. Not possible; not able to be done or happen.

Words with the same origin as impossible

Descendants of possibilis
possibility possible