The American Heritage Dictionary of the English Language
Fourth Edition. 2000.
DEFINITION: To form, build. Oldest form *dheig^h-, becoming *dheigh- in centum languages.
Derivatives include dairy, lady, dough, and paradise.
- dairy, from Old English dae_ge, bread kneader, from Germanic *daigjo_n-.
- lady, from Old English compound hlae_fdige, mistress of a household (< “bread kneader”; hla_f, bread, loaf),
from Germanic *di_g-.
- Suffixed o-grade form *dhoigh-o-. a. dough, from Old English da_g, dough;
b. teiglach, from Old High German teic, dough. Both a and b from Germanic *daigaz.
- Suffixed zero-grade form *dhigh-u_ra_-. figure, figurine; configure, disfigure, prefigure, transfigure,
from Latin figu_ra, form, shape (< result of kneading).
- Nasalized zero-grade form *dhi-n-gh-. fainéant, faint, feign, feint, fictile, fiction, figment; effigy,
from Latin fingere, to shape.
- Probable nasalized zero-grade form *dhi-n-g(h)-. thigmotaxis, thixotropy, from Greek thinganein, to touch.
- Suffixed o-grade form *dhoigh-o-. paradise, from Avestan dae_za-, wall (originally made of clay or mud bricks),
(Pokorny dheig^h- 244.)