The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
Appendix I
Indo-European Roots
ENTRY:
wekti-
DEFINITION:
Thing, creature. a.whit, wight1; aught2, naught, not, from Old English wiht, person, thing; b.nix2, from Old High German wiht, thing, being. Both a and b from Germanic *wihti-. (Pokorny ek-ti- 1136.)
ek-ti- 1136.) 
