uplift (v.)youdaoicibaDictYouDict[uplift 词源字典]
mid-14c., from up (adv.) + lift (v.). Related: Uplifted; uplifting.[uplift etymology, uplift origin, 英语词源]
uplift (n.)youdaoicibaDictYouDict
1845, from up (adj.) + lift (n.).
uplink (n.)youdaoicibaDictYouDict
1968, from up- + link (n.).
upload (v.)youdaoicibaDictYouDict
by 1980, from up (adv.) + load (v.). Related: Uploaded; uploading.
upon (prep.)youdaoicibaDictYouDict
early 12c., from Old English uppan (prep.) "on, upon, up to, against," from up (adv.) + on (prep.); probably influenced by Scandinavian sources such as Old Norse upp a.
upon (adv.)youdaoicibaDictYouDict
Old English upon; see up (adv.) + on (prep.).
upper (adj.)youdaoicibaDictYouDict
c. 1300, originally comparative of up (adj.). Similar formation in Middle Dutch upper, Dutch opper, Low German upper, Norwegian yppare. Upper hand "advantage" is late 15c., perhaps from wrestling (get the over-hand in the same sense is from early 14c.). Upperclassman is recorded from 1871.

Upper crust is attested from mid-15c. in reference to the top crust of a loaf of bread, 1836 in reference to society. Upper middle class (adj.) is recorded from 1835. Upper ten thousand (1844) was common mid-19c. for "wealthier and more aristocratic part of a large community;" hence uppertendom.
upper (n.)youdaoicibaDictYouDict
"part of a shoe above the sole," 1789, from upper (adj.). Sense of "stimulant drug" is from 1968, agent noun from up (v.).
uppercut (n.)youdaoicibaDictYouDict
in pugilism, a close-in strike upward with the fist, 1831, from upper + cut (n.). Perhaps the image is of chopping a tree by making cuts up (as well as down) in the trunk.
It was on a side hill, and I observed a boy, who appeared to be about fifteen years of age, opposite the house felling a large tree; he had cut a few chips from the under side, and was then making the principal incision on the upper. ... I said to the boy, "Well Sir, I see that you make the upper cut." "That is the true cut," said the boy; "for if you will take the axe and try below, you will find that the tree will crowd down upon your chips, and you can't get it down in double the time." [Theodore Sedgwick, "Hints to My Countrymen," 1826]
uppermost (adj.)youdaoicibaDictYouDict
mid-15c., from upper (adj.) + -most.
uppish (adj.)youdaoicibaDictYouDict
1670s, "lavish," from up (adv.) + -ish. Sense of "conceited, arrogant, proudly self-assertive" attested from 1734. Related: Uppishly; uppishness.
uppity (adj.)youdaoicibaDictYouDict
1880, American English, from up + -ity; originally used by blacks of other blacks felt to be too self-assertive (first recorded use is in "Uncle Remus").
upraise (v.)youdaoicibaDictYouDict
c. 1300, from up (adv.) + raise (v.). Related: Upraised; upraising.
upright (adj.)youdaoicibaDictYouDict
Old English upriht "erect, face-upward;" see up (adv.) + right (adj.1). Similar compounds are found in other Germanic languages (Old Frisian upriucht, Middle Dutch oprecht, Old High German ufreht, German aufrecht, Old Norse uprettr). Figurative sense of "good, honest, adhering to rectitude" is first attested 1520s.

As an adverb, Old English uprihte. As a noun, 1560s in the sense "a vertical front;" c. 1700 as "a vertical timber in framing;" 1742 in the sense "something standing erect." Meaning "an upright piano" is from 1860.
THREE-PENNY UPRIGHT. A retailer of love, who, for the sum mentioned, dispenses her favours standing against a wall. ["Dictionary of the Vulgar Tongue," 1811]



The bent-over rear-entry posture they are talking about, of course, is kubda, the three-obol position at the bottom-end of a prostitute's price-range. [James N. Davidson, "Courtesans and Fishcakes: The Consuming Passions of Classical Athens," 1997]
uprise (v.)youdaoicibaDictYouDict
c. 1300, "stand up; get out of bed; ascend to a higher level," from up (adv.) + rise (v.). Similar formation in West Frisian oprize, Middle Dutch oprisen, Dutch oprijzen.
uprising (n.)youdaoicibaDictYouDict
mid-13c., "action of rising from death or the grave, resurrection," from up (adv.) + rising (n.). Meaning "action of rising from bed" is recorded from c. 1300; sense of "insurrection, popular revolt" first attested 1580s.
uproar (n.)youdaoicibaDictYouDict
1520s, "outbreak of disorder, revolt, commotion," used by Tindale and later Coverdale as a loan-translation of German Aufruhr or Dutch oproer "tumult, riot," literally "a stirring up," in German and Dutch bibles (as in Acts xxi:38). From German auf (Middle Dutch op) "up" (see up (adv.)) + ruhr (Middle Dutch roer) "a stirring, motion," related to Old English hreran "to move, stir, shake" (see rare (adj.2)). Meaning "noisy shouting" is first recorded 1540s, probably by mistaken association with unrelated roar.
uproarious (adj.)youdaoicibaDictYouDict
1791, from uproar + -ous. Related: Uproariously.
uproot (v.)youdaoicibaDictYouDict
1590s (implied in uprooted), in the figurative sense, from up (adv.) + root (v.). The literal sense is first recorded 1690s. Related: Uprooted; uprooting.
upscale (adj.)youdaoicibaDictYouDict
1966, "at the higher end of a scale, superior," a commercial word, from up (adv.) + scale (v.3).