dā- / Indo-European roots
Examples of words with the root dā-: daimon, demagogue, deme, demiurge, democracy, demography, demon, demonym, demos, demotic, endemic, epidemic, eventide, geodesy, pandemic, ted, tide, tidings, time, Yahrzeit, Zeitgeist.
To divide.Oldest form *deh2-, colored to *dah2-, becoming *dā-.
▲ Derivatives include democracy, epidemic, demon, time.
I. Suffixed form *dā-mo-, perhaps "division of society" deme, demos, demotic; demagogue, demiurge, democracy, demography, endemic, epidemic, pandemic from Greek dēmos, people, land.
II. Variant *dai-, from extended form *daəi-, with zero-grade *dī- (< *diə-, metathesized from *dəi-).
1. Root form *dai-. geodesy from Greek daiesthai, to divide.
2. Suffixed form *dai-mon-, divider, provider. daimon, demon from Greek daimōn, divinity.
3. Suffixed variant form *dī-ti-. a. tide1; eventide from Old English tīd, time, season; b. tide2 from Old English denominative tīdan, to happen (< "to occur in time"); c. tidings from Old Norse tīdhr, occurring; d. Yahrzeit, zeitgeber, Zeitgeist from Old High German zīt, time. a-d all from Germanic *tīdiz, division of time.
4. Suffixed variant form *dī-mon-. time from Old English tīma, time, period, from Germanic *tīmōn-.
[Pokorny dā : də- 175.]