"bookseller," 1775, from Latin bibliopola, from Greek bibliopōlēs "bookseller," from biblion "book" (see biblio-) + pōlēs "merchant, seller," from pōlein "to sell" (from PIE root *pel- (4) "to sell"). Especially a dealer in rare or curious books. French has bouquinist "a dealer in second-hand books of little value."

"a state of limited competition in which a market is shared by a few producers or sellers," 1887, from Medieval Latin oligopolium, from Greek oligos "little, small," in plural, "the few" (a word of uncertain origin) + pōlein "to sell" (from PIE root *pel- (4) "to sell."). Related: Oligopolist.

"man licensed to sell papal pardons or indulgences," late 14c. (early 14c. as a surname), agent noun from pardon (v.).

"something of little value but externally attractive and made to sell quickly," 1760, from catch (v.) + penny (n.). Also as an adjective.

"to sell more tickets than there are seats," by 1861, from over- + book (v.); originally in reference to coaches. Related: Overbooked; overbooking.

also manstealer, "one who kidnaps human beings to sell into slavery," 1580s, from man (n. ) + agent noun from steal (v.).

"sell by auction," by 1723 (implied in auctioned), from auction (n.). Since early 19c., commonly with off (adv.). Related: Auctioning.

"the exclusive right to make and sell copies of an intellectual production," 1729, from copy (v.) + right (n.). As a verb, "to secure a copyright of," from 1806 (implied in past-participle adjective copyrighted).