keuə-

To swell; vault, hole. Oldest form *k̑euə-, becoming *keuə- in centum languages.

Derivatives include cave, excavate, and church.

I. O-grade form *kouə-.

1. Basic form *kouə- becoming *kaw-. cave, cavern, cavetto, cavity; concave, excavate, from Latin cavus, hollow.

2. Suffixed form *kow-ilo-. -cele², celiac, -coel, coelom; acoelomate, from Greek koilos, hollow.

3. Suffixed lengthened-grade form *kōw-o-. codeine, from Greek kōos, hollow place, cavity.

II. Zero-grade form *kū- (< *kuə-).

1. Suffixed shortened form *ku-m-olo. cumulate, cumulus; accumulate, from Latin cumulus, heap, mass.

2. Basic form *kū-.

a. Suffixed form *kū-ro-, “swollen,” strong, powerful. church, kirk, Kyrie; kermis, from Greek kūrios (vocative kūrie), master, lord;

b. suffixed form *kuw-eyo-. cyma, cymatium, cyme; cymophane, kymograph, pseudocyesis, from Greek kuein, to swell, and derivative kūma (< *kū-mn̥), “a swelling,” wave;

c. suffixed form *en-kū-yo- (*en, in; see en). enceinte¹; from Latin inciēns, pregnant.

 

[Pokorny 1. k̑eu- 592.]

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