Indo-European Words: Two. dw*

I. Variant form *duwo.

  1. Germanic *twa, two.
    • Old English twă, two.
    • Old English twēgen, two. twain; twayblade
  2. Germanic compound *twa-lif-, "two left (over from ten)," twelve (*-lif-, left; see leikw-). Old English twelf, twelve, and twelfta, twelfth.

II. Adverbial form *dwis and combining form *dwi-.

  1. Germanic *twi-.
    • Old English twi-, two. twibill, twilight.
    • Old High German zwi-, twice. zwieback, zwitterion. zw*.
  2. Latin bis (combining form bi-), twice. bi-1, bis; balance, barouche, bezel, biscuit, bistort.
  3. Greek dis (combining form di-), twice. di-1
  4. Germanic *twis. Old English -twist, divided object, fork, rope. twist
  5. Germanic *twiyes. twice.
  6. Germanic compound *twēgentig, "twice ten". twenty
  7. Germanic *twīhna, double thread, twisted thread. twine.
  8. Germanic compounds *bi-twīhna and *bi-twisk, "at the middle point of two." between, betwixt, twixt. twisk*
  9. Germanic compound *twilic-, "two-threaded fabric." Old English twilic, woven of double thread. twill
  10. Suffixed form *dwis-no-. bin*
    • Germanic *twisnaz, double. twin.
    • Latin bīnī, two by two, two each. bi-1, binal, binary; combine, pinochle.
  11. Suffixed form *dwi-ko-. Germanic *twig(g)a, a fork. twig1. twiq*
  12. Compound *dwi-plo-, twofold. Greek diploos, diplous, twofold. diplo-, diploe, diploid, diploma; anadiplosis, diplodocus.
  13. Suffixed reduplicated form *dwi-du-mo-. Greek didumos, double, the testicles. didymium, didymous; epididymis. didym*
  14. Suffixed form *dwi-gha. Greek dikha, in two. dichasium, dicho-.

III. Inflected form *duwō.

  1. Latin duo, two.
  2. Greek duo, duō, two.

IV. Variant form *du-.

  1. Compound *du-plo-, twofold. Latin duplus, double. double, doublet, doubloon, duple.
  2. Compound *du-plek-, twofold. Latin duplex, double. duplex, duplicate.
  3. Suffixed form *du-bhw-io-. Latin dubius, doubtful (< "hesitating between two alternatives"), and dubitāre, to be in doubt. doubt, dubious; redoubtable.
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Hilinqwo Derivatives

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