"adherent of the Church of Jesus Christ of Latter-day Saints," 1830, introduced by the religion's founder, Joseph Smith (1805-1844), in Seneca County, N.Y., from Mormon, supposed prophet and author of "The Book of Mormon," explained by Smith as meaning more mon, from English more + Egyptian mon "good." As an adjective by 1842. Related: Mormonism.
"to come together with another; be mated or married" (intransitive), also "to make a pair by matching" (transitive), c. 1600, from pair (n.). These senses now often are distinguished by pair off "separate from a company in pairs or couples" (1783) for the former and pair up (1863) for the latter. Related: Paired; pairing.
1797, "the science of phenomena, as distinct from that of being;" 1840 as "a description or history of phenomena," the latter sense from German Phänomenologie, used as the title of the fourth part of the "Neues Organon" of German physicist Johann Heinrich Lambert (1728-1777), coined from Greek phainomenon (see phenomenon) + -logia (see -logy). Psychological sense, especially in Gestalt theory, is from 1930. Related: Phenomenological; phenomenologically.
1550s, "somewhat dark, not luminous, dim;" see dusk + -y (2). "The normal source of an adj. in -y is a sb.; but the substantival use of dusk is not known so early as the appearance of dusky, so that the latter would appear to be one of the rare instances of a secondary adj. ..." [OED]. Meaning "rather black, dark-colored" is from 1570s. Related: Duskily; duskiness.
also matchwood, 1590s, "wood used to start a fire;" 1838, "wood which has been split to proper size for matches," from match (n.1) + wood (n.). From the latter sense it has been used as a figure of speech for wood which has been broken or splintered into very small pieces. Also in this sense is matchsticks (1791).
"easily crumbled or pulverized; easily reduced to powder," 1560s, from French friable (16c.) and directly from Latin friabilis "easily crumbled or broken," from friare "rub away, crumble into small pieces," related to fricare "to rub" (see friction). Related: Friability. "Confusion between the common word meaning crumbly & the -able adjective from fry is not likely enough to justify the irregular spelling fryable for the latter ...." [Fowler].