Words related to neat
"remaining after deductions," early 15c., from earlier sense of "trim, elegant, clean, neat" (c. 1300), from Old French net, nette "clean, pure, unadulterated," from Latin nitere "to shine, look bright, glitter" (see neat (adj.)). Meaning influenced by Italian netto "remaining after deductions." As a noun, "what remains after deductions," by 1910. The notion is "clear of anything extraneous."
Net profit is "what remains as the clear gain of any business adventure, after deducting the capital invested in the business, the expenses incurred in its management, and the losses sustained by its operation" [Century Dictionary]. Net weight is the weight of merchandise after allowance has been made for casks, bags, cases, or other containers.
Middle English pratie "cunning, crafty, clever" (c. 1300 as a surname), from Old English prættig (West Saxon), pretti (Kentish), *prettig (Mercian) "cunning, skillful, artful, wily, astute," from prætt, *prett "a trick, wile, craft," from Proto-Germanic *pratt- (source also of Old Norse prettr "a trick," prettugr "tricky;" Frisian pret, Middle Dutch perte, Dutch pret "trick, joke," Dutch prettig "sportive, funny," Flemish pertig "brisk, clever"), a word of unknown origin.
The connection between the Old English and Middle English words "has several points of obscurity" [OED], and except in surnames there is no record of it 13c.-14c., but they generally are considered the same. The meaning had expanded by c. 1400 to "manly, gallant," also "ingeniously or cleverly made," to "fine, pleasing to the aesthetic sense," to "beautiful in a slight way" (mid-15c.). Also used of bees (c. 1400). For sense evolution, compare nice, silly, neat (adj.), fair (adj.).
Pretty applies to that which has symmetry and delicacy, a diminutive beauty, without the higher qualities of gracefulness, dignity, feeling, purpose, etc. A thing not small of its kind may be called pretty if it is of little dignity or consequence: as a pretty dress or shade of color; but pretty is not used of men or their belongings, except in contempt. [Century Dictionary, 1897]
Of things, "fine, pleasing" 1560s. Ironical use is from 1530s (compare ironical use of fine (adj.)). The meaning "not a few, considerable, moderately large in quantity, number, extent, or duration" is from late 15c. Pretty please as an emphatic plea is attested from 1902. A pretty penny "lot of money" is recorded from 1703.