dhreu-

To fall, flow, drip, droop.

Derivatives include dreary and drowse.

1. Extended form *dhreus-. drizzle, from Old English -drysnian (in gedrysnian, to pass away, vanish), from zero-grade Germanic derived verb *drus-inōn.

2. Extended o-grade form *dhrous-.

a. dreary, from Old English drēor, flowing blood, from Germanic *drauzaz;

b. drowse, from Old English drūsian, to be sluggish, from Germanic *drūsjan.

3. Extended zero-grade form *dhrub-.

a. drop, from Old English dropa, drop, from Germanic *drupan;

b. droop, from Old Norse drūpa, to hang down, from Germanic *drūpōn, to let fall;

c. drip, from Middle English drippen, to drip, drop, from an unattested Old English *dryppan or another source akin to Old English droppa, drop, from Germanic geminated *drupp-;

d. Germanic *drup-, to drip, in compound *obisdrup- (see upo).

4. Suffixed zero-grade form *dhrubh-yo-. lithotripter, lithotrity, from Greek thruptein, to crumble.

 

[Pokorny dhreu- 274.]

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