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English word extension comes from Latin extendo, Latin extentio (Extension (act of extending).).

Extension etymology ?

Extension detailed word origin explanation

Dictionary entryLanguageDefinition
extendo Latin (lat) I enlarge or increase. I extend, prolong or continue. I stretch or thrust out.
extentio Latin (lat) Extension (act of extending).
extensio Latin (lat) Extension, stretching. Swelling, tumour.
estension Old French (fro)
extension English (eng) (banking, finance) A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.. (computing) A file extension.. (computing) An optional software component that adds functionality to an application.. (fencing) A simple offensive action, consisting of extending the weapon arm forward.. (grammar) A kind of derivative morpheme applied to verbs in Bantu [...]

Words with the same origin as extension

Descendants of extendo
extend