ineptitude (n.)youdaoicibaDictYouDict[ineptitude 词源字典]
1610s, from French ineptitude, from Latin ineptitudo, noun of quality from ineptus "unsuitable, absurd" (see inept).[ineptitude etymology, ineptitude origin, 英语词源]
inequable (adj.)youdaoicibaDictYouDict
1717, from Latin inaequabilis "uneven," from in- "not" (see in- (1)) + aequabilis (see equable).
inequality (n.)youdaoicibaDictYouDict
early 15c., "difference of rank or dignity," from Old French inequalité (14c.) and directly from Medieval Latin inaequalitas, from Latin inaequalis "unequal," from in- "not, opposite of" (see in- (1)) + aequalis "equal" (see equal).
inequitable (adj.)youdaoicibaDictYouDict
1660s, from in- (1) "not, opposite of" + equitable. Related: Inequitably.
inequity (n.)youdaoicibaDictYouDict
1550s, from in- (1) "not, opposite of" + equity. Formed from the same elements as iniquity, but natively. Related: Inequities.
ineradicable (adj.)youdaoicibaDictYouDict
1794, from in- (1) "not, opposite of" + eradicable (see eradicate). Related: Ineradicably.
inerrancy (n.)youdaoicibaDictYouDict
1818, from inerrant + -cy.
inerrant (adj.)youdaoicibaDictYouDict
1650s, in reference to "fixed" stars (as opposed to "wandering" planets), from Latin inerrantem (nominative inerrans) "not wandering," from in- "not, opposite of" (see in- (1)) + errans, present participle of errare "to err" (see err).
inert (adj.)youdaoicibaDictYouDict
1640s, from French inerte (16c.) or directly from Latin inertem (nominative iners) "unskilled, inactive, helpless, sluggish, worthless," from in- "without" + ars (genitive artis) "skill" (see art (n.)). Originally of matter; specifically of gases from 1885. Of persons or creatures, from 1774.
inertia (n.)youdaoicibaDictYouDict
1713, introduced as a term in physics 17c. by German astronomer and physician Johann Kepler (1571-1630), from Latin inertia "unskillfulness, idleness," from iners (genitive inertis) "unskilled, inactive;" see inert. Used in Modern Latin by Newton (1687). Sense of "apathy" first recorded 1822.
inertial (adj.)youdaoicibaDictYouDict
1737, from inertia + -al (1).
inertness (n.)youdaoicibaDictYouDict
1660s, from inert + -ness.
inescapable (adj.)youdaoicibaDictYouDict
1792, from in- (1) "not, opposite of" + escapable (see escape). Related: Inescapably.
inestimable (adj.)youdaoicibaDictYouDict
late 14c., "beyond estimation," from Old French inestimable (14c.) or directly from Latin inaestimabilis, from in- "not, opposite of" (see in- (1)) + aestimabilis (see estimable). Meaning "too precious to set a value on, priceless" is attested by 1570s. Related: Inestimably.
inevitability (n.)youdaoicibaDictYouDict
1640s, from inevitable + -ity.
inevitable (adj.)youdaoicibaDictYouDict
mid-15c., from Latin inevitabilis "unavoidable," from in- "not, opposite of" (see in- (1)) + evitabilis "avoidable," from evitare "to avoid," from ex- "out" (see ex-) + vitare "shun," originally "go out of the way."
inevitably (adv.)youdaoicibaDictYouDict
mid-15c., from inevitable + -ly (2).
inexact (adj.)youdaoicibaDictYouDict
1828, from in- (1) "not, opposite of" + exact. Related: Inexactly.
inexactitude (n.)youdaoicibaDictYouDict
1786, from in- (1) "not, opposite of" + exactitude.
inexcusable (adj.)youdaoicibaDictYouDict
early 15c., from Latin inexcusabilis, from in- "not, opposite of" (see in- (1)) + excusabilis, from excusare (see excuse). Related: Inexcusably.