Question: The word "brownie" first appeared when?
About the article "Chocolate brownie", section "History".

Candidate passages:
The Brownie is a distant relative of the halfling that dwells in quiet, pastoral areas.
The brownie first appeared in the first edition in the original "Monster Manual" (1977).
The brownie appears in second edition in the "Monstrous Compendium Volume One" (1989), and is reprinted in the "Monstrous Manual" (1993).
The brownie also appeared in DMR2 "Creature Catalog" (1993).
The brownie appeared in third edition in the article "Adventure Locales: The Silent Manse" on the Wizards of the Coast web site in 2004.
The brownie has been expanded to be allowed as a playable race in a number of supplements and publications.
One of the first was in the pages of "White Dwarf".
The brownie is detailed as a race for AD&D 1st Edition by Bob Lock in 1982.
The brownie appeared as an official player character class for the D&D basic game in "Tall Tales of the Wee Folk" (1989).
The brownie would appear again as playable race for the D&D 3rd edition in "Celtic Age" from Avalanche Press.
The brownie was written up as a player character race in "White Dwarf" #29 (Feb. 1982).
The brownie appeared in the "Tome of Horrors" (2002) from Necromancer Games.
The brownie appears as a type of sprite in "Dangerous Denizens: The Monsters of Tellene" (2003), for the Kingdoms of Kalamar setting.
The brownie appeared in Paizo Publishing's book "Pathfinder Roleplaying Game Bestiary 2" (2010), on page 49. 
The killmoulis is the distant relative of the brownie, and is less than one foot in height but with a disproportionately large head and a prodigious nose.
A killmoulis can blend into its surroundings, making it hard to see when hidden.
A killmoulis will live in a symbiotic relationship with humans, making its home under the floors, and in the walls and crawlspaces.
It is based on the folklore Kilmoulis.
The killmoulis first appeared in the original first edition "Fiend Folio" (1981).
The killmoulis appeared in second edition "Advanced Dungeons & Dragons" in "Monstrous Compendium Volume Two" (1989), and appeared under the "brownie" entry in the "Monstrous Manual" (1993). 
The first appearances of Brownie characters in a print publication took place in 1879, but not until the February, 1881 issue of "Wide Awake" magazine were the creatures printed in their final form.
The first proper story, "The Brownies' Ride", appeared in the February 1883 issue of the children's periodical "St. Nicholas Magazine".
Published in 1899, "The Brownies Abroad" is considered the first "Brownie" comic strip, though it didn't utilise speech balloons until the publication "The Brownie Clown of Brownie Town" of 1908.
From 1903, "The Brownies" appeared as a newspaper Sunday strip for several years.
The first compilation, "The Brownies, Their Book", was published in 1887, followed by 16 books in the series until the last in 1918.
Palmer Cox died in 1924. 
Brownie the Wonder Dog was a dog which appeared in several films, including "Brownie's Little Venus" (1921).
He was signed under Century Film Company.
Brownie was a Bull Terrier–Fox Terrier crossbreed. 
A buckawn is related to the brownie but is slender with dusky skin.
A buckawn is less friendly but far more tricky than a brownie, but shuns human contact and does not regularly associate with brownies either.
A buckawn is typically armed with a small dagger and quivers of darts which may be drugged or poisoned.
Buckawn also have magical spell-like abilities.
It first appeared in the first edition "Monster Manual II" (1983).
It was listed in the second edition for the Greyhawk setting under the "brownie" heading in the "Monstrous Compendium Greyhawk Appendix" (1990).
It also appeared in the "Tome of Horrors" (2002) from Necromancer Games.