See also: iss, ISS, íss, īss, İSS, and -iss

French

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Etymology

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From the Latin inchoative infix -sc-, from -ēscō, but now extended to many non-inchoative verbs as well. Cognates include Italian -isc-, Portuguese -ec-, -esc- and -esç-, and Romanian -esc- and -ăsc-.

Infix

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-iss-

  1. An infix found in most parts of the conjugation of regular -ir verbs.
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Old French

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Etymology

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From Latin -sc-, from the -ēscō conjugation, originally with inchoative meaning; evolved early on into a verb extension with little apparent semantic meaning.

Infix

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-iss-

  1. An inchoative infix appearing on many verbs, and integrated into the conjugation of some -ir- verbs.