Does the above sentence make sense to you? It includes two homophones envelop and envelope which are both related but their meanings are slightly different from each other. Envelope is a wrapping paper for a letter whereas envelop is when something engulfs you completely.
Envelop originated from late Middle English (formerly also as invelop(e)), from Old French envoluper, from en- ‘in’ + a second element (also found in develop) of unknown origin. Envelope originated in mid-16th century (in the sense ‘wrapper, enveloping layer’; originally as envelope) from French enveloppe, from envelopper ‘envelop’. The sense ‘covering of a letter’ dates from the early 18th century.
Envelop as verb:
Envelop is used as a verb in English language where it means to wrap up, cover, or surround completely. A figure enveloped in a black cloak was hovering in the sky. It has synonyms like surround, cover, enfold, enwrap, blanket, swathe, swaddle, wrap up or engulf etc. Another sense in which envelop is used is when troops surround an enemy force from all sides.
Envelope as noun:
Envelope with an e at the end is only used as a noun in English language where it implies the meaning of a flat paper container with a sealable flap, used to enclose a letter or document. The letter was placed in a fancy envelope. Another similar meaning of envelope is a covering or containing structure or layer.
The outer metal or glass housing of a vacuum tube, electric light, etc. is also referred as envelope. Envelope is also defined as the structure within a balloon or non-rigid airship containing the gas.
In electronics, a curve joining the successive peaks of a modulated wave is an envelope. On the contrary, in mathematics, a curve or surface tangent to each of a family of curves or surfaces is called an envelope. However, in microbiology, a membrane which forms the outer layer of certain viruses is its envelope.
Yes, look twice, and your iPad case could do double-duty as a chic envelope-style bag. (Vancouver Sun)
Envelop or enveloped:
A protective, flat, usually rectangular container for a letter, thin package, etc. is an envelope whereas when something (tangible or nontangible) enclose or enfold completely with or as if with a covering, it is envelop. Remember that the letter covering envelope has an e at the end just as email has an e at its start.