From en.wiktionary.org:
** German
*** Etymology
Early New High German [de], from [de], probably related to [de]. Compare
[nl], [lt], [lv].
*** Pronunciation
- [de]
- [de]
- [de]
*** Verb
[de-verb]
1. [de] to flutter
**** Conjugation
[de-conj]
**** Related terms
- [de]
- [de]
- [de]
- [de]
*** Further reading
- [R:de:DWDS]
- [R:de:UniLeipzig]
- [R:de:Duden]
- [R:de:OpenThesaurus]