Origin and history of coating

early 15c., "the bringing of something to bear on something else," from Old French aplicacion (14c.), from Latin applicationem (nominative applicatio) "a joining to, an attaching oneself to; relation of a client to a patron," noun of action from past-participle stem of applicare

late 14c., "to bring to an end;" mid-15c., "to come to an end" (intransitive), from Old French finiss-, present participle stem of fenir "stop, finish, come to an end; die" (13c.), from Latin finire "to limit, set bounds; put an end to; come to an end," from finis "that which div

Sense of "a thin coat of something" is 1570s, extended by 1845 to the coating of chemical gel on photographic plates....By 1895 this also meant the coating plus the paper or celluloid....

1774, from Latin blennius (in Pliny), from Greek blennos, from blenna "slime, snot, mucous discharge," so called for the coating...

from a dye in that it is not designed to sink into the substance to which it is applied, but to form a superficial coating...

Old English rinde "bark of a tree or other plant," also figurative; also "a crust, firm outer coating or covering;" later...

early 14c., polishen "make smooth or glossy" by friction or coating (of the surface of wood, stone, metal, etc.), from Old...

late 14c., rendren, rendre, "repeat, say again, recite; translate," from Old French rendre "give back, present, yield" (10c.) and Medieval Latin rendere, from Vulgar Latin *rendere, a variant of Latin reddere "give back, return, restore," from red- "back" (see re-) + combining fo

"a mixture of liquids insoluble in one another, where one is suspended in the other in the form of minute globules," 1610s, from French émulsion (16c.), from Modern Latin emulsionem (nominative emulsio), noun of action from past participle stem of emulgere "to milk out," from ass

Middle English sale, from late Old English sala "a sale, act of selling," which according to OED probably is from a Scandinavian source such as Old Norse sala "sale," but in either case from Proto-Germanic *salo (source also of Old High German sala, Swedish salu, Danish salg), fr