Etymology
Advertisement
least (adj.)
Old English læst, earlier læsest "smallest, lowest in power or position" (superlative of little (adj.)), from Proto-Germanic superlative *laisista-, from PIE root *leis- (2) "small" (see less). Qualifying phrase at least "not to say more than is certainly true" is Middle English æt læstan, from the notion of "at the lowest degree." As a noun, "smallest admissible quantity or degree," from early 12c.; as an adverb, Old English læst "in the least degree."
Related entries & more 
Advertisement
leastways (adv.)
1825, obsolete colloquial, from least + way (n.). Regarded as vulgar, but simply a one-word form of Chaucer's leest weye (late 14c.). Compare leastwise (adv.) "in the least, at least," attested from 1610s, 1530s as two words.
Related entries & more 
little (adj.)

Old English lytel "not large, not much, small in size or number; short in distance or time; unimportant,"

from Proto-Germanic *lutilla- (source also of Old Saxon luttil, Dutch luttel, Old High German luzzil, German lützel "little"), perhaps originally a diminutive of the root of Old English lyt "little, few," from PIE *leud- "small."

"Often synonymous with small, but capable of emotional implications which small is not" [OED]. Now with less, least, but formerly and in dialect littler, littlest. In terms of endearment from 1560s. Meaning "younger" (of a brother, sister, etc.) is from 1610s. As an adverb, Old English lytel.

Little while "a short time" is from 12c. Phrase the little woman "wife" attested from 1795. Little people "the faeries" is from 1726; as "children" it is attested from 1752; as "ordinary people" (opposed to the great) from 1827. Little death "orgasm" (1932) translates French petite mort. Little Neck clams (1884) are so called for Little Neck, a "neck" of land on Long Island's North Shore, where they first came into favor. Little green men "space aliens" is from 1950. Little boys' room (or girls') as a euphemism for "lavatory" is from 1957. Little breeches for "boy" is by 1785. Little black dress is from 1939.

At the beginning of summer, smart women who stay in town like to wear sheer "little black dresses." Because most "little black dresses" look alike, retailers struggle each year to find something which will make them seem new. [Life magazine, June 13, 1939]
Related entries & more 
minimal (adj.)

"smallest, least; pertaining to a minimum," 1660s, from Latin minimus "smallest, least" (see minim) + -al (1).

Related entries & more 
jot (n.)
"the least part of anything," 1520s, from Latin iota, from Greek iota "the letter -i-," the smallest letter in the Greek alphabet, also "the least part of anything" (see iota). Usually (and originally) with tittle, from Matthew v.18.
Related entries & more 
Advertisement
minim (n.)

mid-15c., in music, "a half-note" (in early medieval music the shortest note used), from Latin minimus "smallest, least; minute, trifling, insignificant;" of time, "least, shortest, very short;" of age, "youngest;" as a noun, "least price, lowest price," superlative of minor "smaller" (from PIE root *mei- (2) "small"). Calligraphy sense "short down-stroke of the pen in making m, n, u, etc." is from c. 1600.

Related entries & more 
tee-hee 
imitative of derisive tittering laughter at least since Chaucer ("The Miller's Tale").
Related entries & more 
brite 
variant of bright (adj.). It figures in English phonetic spelling reform from at least the late 19c.; as an advertiser's word it dates from at least 1905 ("Star-brite Metal Polish," made by the Star-Brite Company of Lancaster, Pa., U.S.).
Related entries & more 
minimum (n.)

1660s, "smallest portion into which matter is divisible," a sense now obsolete, from Latin minimum "smallest" (thing), neuter of minimus "smallest, least," superlative of minor "smaller" (from PIE root *mei- (2) "small"). Meaning "smallest amount or degree, least amount attainable" is from 1670s.

Related entries & more 
hatter (n.)
late 14c., from hat + -er (1). Their association with madness dates to at least 1837.
Related entries & more