vend

Etymology 1

From French vendre, from Old French vendre, from Latin vendere, from vēnum (“(something for) sale”) + dare (“to give”).

verb

1. Synonym of sell">sell, now especially to sell">sell through a vending machine.
   Vending has been slow to change partly because the business for years could depend on what it called the four C's: cold drinks, candy, confections and cigarettes. 1992-09-09, Trish Hall, “Vending Machines, the Next Generation in Dining”, in The New York Times, →ISSN
   Amazon said over 20,000 small stores have signed on to its Local Shops program over five months to vend basics like household essentials and fresh flowers. 2020-10-06, Saritha Rai, “Amazon Launches Month-Long Sale in Battle for Indian Wallets”, in Bloomberg.com
2. (programming, transitive, uncommon) To provide or export functionality, especially from an API.
   As you've seen, vending FO documents is pretty straightforward from WebObjects. It is just like vending HTML, XHTML, or SVG. 2002, Ravi Mendis, WebObjects Developer's Guide, Sams Publishing, page 289

noun

1. The act of vending or selling; a sale.
2. (UK, Australia, dated) The total sales of coal from a colliery.

Etymology 2

Compare wynn.

noun

1. The letter Ꝩ/ꝩ, used in Old Norse, related to the rune wynn (ᚹ, whence also Latin-script Ƿ/ƿ) but with the bowl open at the top, like a y.
   … a gramm. term, implying the use of the old letter 'vend' in spelling v-rungu, v-rangr, v-reiðr, see introduction to letter R; ... 1874, Richard Cleasby, Gudbrand Vigfusson, An Icelandic-English Dictionary, page 707
   In Old English, the meaning of wynn is the same. In Old Norse, the etymological equivalents of words beginning with w are spelled with a v, the letter named “vend” in the Icelandic alphabet. 2005, Diana L. Paxson, Taking Up The Runes: A Complete Guide To Using Runes In Spells, Rituals, Divination, And Magic, Weiser Books, page 88