英语词源字典 - 在线词源网站

disagreeable (adj.)[disagreeable 词源字典]: c. 1400, "not in agreement," from Old French desagreable (13c.), from des- (see dis-) + agreable (see agreeable). Meaning "not in accord with one's taste" is from 1690s. Related: Disagreeably; disagreeableness. Slightly earlier in same sense was unagreeable (late 14c.).[disagreeable etymology, disagreeable origin, 英语词源]
nice (adj.): late 13c., "foolish, stupid, senseless," from Old French nice (12c.) "careless, clumsy; weak; poor, needy; simple, stupid, silly, foolish," from Latin nescius "ignorant, unaware," literally "not-knowing," from ne- "not" (see un-) + stem of scire "to know" (see science). "The sense development has been extraordinary, even for an adj." [Weekley] -- from "timid" (pre-1300); to "fussy, fastidious" (late 14c.); to "dainty, delicate" (c. 1400); to "precise, careful" (1500s, preserved in such terms as a nice distinction and nice and early); to "agreeable, delightful" (1769); to "kind, thoughtful" (1830).
In many examples from the 16th and 17th centuries it is difficult to say in what particular sense the writer intended it to be taken. [OED]
By 1926, it was pronounced "too great a favorite with the ladies, who have charmed out of it all its individuality and converted it into a mere diffuser of vague and mild agreeableness." [Fowler]
"I am sure," cried Catherine, "I did not mean to say anything wrong; but it is a nice book, and why should I not call it so?"
"Very true," said Henry, "and this is a very nice day, and we are taking a very nice walk; and you are two very nice young ladies. Oh! It is a very nice word indeed! It does for everything." [Jane Austen, "Northanger Abbey," 1803]
suavity (n.): c. 1400, "pleasantness, delightfulness; kindness, gentleness," from Latin suavitatem (nominative suavitas) "sweetness, agreeableness," from suavis (see suave). Some later senses are from French suavité, from Old French soavite "gentleness, sweetness, softness," from the Latin word.