Get an English Tutor
English word envelope comes from Vulgar Latin *vuloppare, and later French envelopper (To envelop. To wrap someone or something, to cover.)
*vuloppare (Vulgar Latin)
vloper (Old French)
envelopper (Middle French)
envelopper (French)
To envelop. To wrap someone or something, to cover.
enveloppe (French)
(geometry) envelope (of a family of curves). Envelope (wrapper for mailing).
envelope (English)
(astronomy) The nebulous covering of the head or nucleus of a comet; a coma.. (biology) An enclosing structure or cover, such as a membrane.. (computing) The information used for routing a message that is transmitted with the message but not part of its contents.. (electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier [...]