英语词源字典 - 在线词源网站

insolate (v.)[insolate 词源字典]: "to expose to the rays of the sun," 1620s, from Latin insolatus, past participle of insolare, from in- "in" (see in- (2)) + sol "sun" (see Sol). Related: Insolated; insolation.[insolate etymology, insolate origin, 英语词源]
insole (n.): 1850s, from in + sole.
insolence (n.): late 14c., from Latin insolentia "unusualness, haughtiness, arrogance," from insolentem (see insolent).
insolent (adj.): late 14c., "contemptuous, arrogant, haughty," from Latin insolentem (nominative insolens) "arrogant, immoderate," literally "unusual," from in- "not, opposite of" (see in- (1)) + solentem, present participle of solere "be accustomed," which possibly is related to sodalis "close companion," and to suescere "become used to." Meaning "contemptuous of rightful authority" is from 1670s. Related: Insolently.
insolubility (n.): 1610s, from Late Latin insolubilitas, from Latin insolubilis (see insoluble).
insoluble (adj.): late 14c., "unable to be loosened," from Latin insolubilis "that cannot be loosened," from in- "not" (see in- (1)) + solubilis (see soluble). Figurative use, of problems, etc., is from late 14c.
It was a tacit conviction of the learned during the Middle Ages that no such thing as an insoluble question existed. There might be matters that presented serious difficulties, but if you could lay them before the right man -- some Arab in Spain, for instance, omniscient by reason of studies into the details of which it was better not to inquire -- he would give you a conclusive answer. The real trouble was only to find your man. [Gertrude Bell, "The Desert and the Sown," 1907]
insolvency (n.): 1660s; see insolvent + -cy. Insolvence (1793) is rare.
insolvent (adj.): 1590s, "unable to pay one's debts," from in- (1) "not" + Latin solventem "paying" (see solvent). Originally of one who was not a trader; only traders could become bankrupt.