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单词 Indo-European root: terə-
释义
‌‌terə-1
To rub, turn; with some derivatives referring to twisting, boring, drilling, and piercing; and others referring to the rubbing of cereal grain to remove the husks, and thence to the process of threshing either by the trampling of oxen or by flailing with flails. Oldest form *terh1, with variant *treh1, becoming *trē‑.
Derivatives include trite, detriment, thrash, trauma, and truant.
  1. Full-grade form *ter(ə)‑.
      1. trite, triturate; attrition, contrite, detriment, from Latin terere (past participle trītus), to rub away, thresh, tread, wear out;
      2. teredo, from Greek terēdōn, a kind of biting worm.
    1. Suffixed form *ter-et‑. terete, from Latin teres (stem teret‑), rounded, smooth.
    2. Suffixed form *ter-sko‑.
      1. thrash, thresh, from Old English therscan, to thresh;
      2. threshold, from Old English therscold, threscold, sill of a door (over which one treads; second element obscure). Both a and b from Germanic *therskan, *threskan, to thresh, tread.
  2. O-grade form *tor(ə)‑.
    1. toreutics, from Greek toreus, a boring tool.
    2. Suffixed form *tor(ə)-mo‑, hole. derma2, from Old High German darm, gut, from Germanic *tharma‑.
    3. Suffixed form *tor(ə)-no‑. turn; attorn, attorney, contour, detour, return, from Greek tornos, tool for drawing a circle, circle, lathe.
  3. Zero-grade form *tr‑. drill1, from Middle Dutch drillen, to drill, from Germanic *thr‑.
  4. Variant form *trē‑ (< *treə‑).
    1. throw, from Old English thrāwan, to turn, twist, from Germanic *thrēw‑.
    2. Suffixed form *trē-tu‑. thread, from Old English thrǣd, thread, from Germanic *thrēdu‑, twisted yarn.
    3. Suffixed form *trē-mn̥ (< *treə‑ or *tr̥ə‑) diatreme, monotreme, trematode, from Greek trēma, perforation.
    4. Suffixed form *trē-ti‑ (< *treə‑ or *tr̥ə‑) atresia, from Greek trēsis, perforation.
  5. Extended form *trī‑ (< *triə‑).
    1. Probably suffixed form *trī-ōn‑. septentrion, from Latin triō, plow ox.
    2. Suffixed form *trī-dhlo‑. tribulation, from Latin trībulum, a threshing sledge.
  6. Various extended forms
    1. Forms *trō‑, *trau‑. trauma, from Greek trauma, hurt, wound.
    2. Form *trīb‑. diatribe, triboelectricity, tribology, triboluminescence, trypsin, from Greek trībein, to rub, thresh, pound, wear out.
    3. Form *trōg‑, *trag‑.
      1. trogon, trout, from Greek trōgein, to gnaw;
      2. dredge2, from Greek tragēma, sweetmeat.
    4. Form *trup‑. trepan1; trypanosome, from Greek trupē, hole.
    5. Possible form *trūg‑. truant, from Old French truant, beggar.
[Pokorny 3. ter‑ 1071.]
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更新时间:2025/1/8 15:10:38