From en.wiktionary.org:
[sperling]
** German
*** Etymology
[de] From [de], from [de], derived from [goh].
Within High German, [de] was north-eastern versus southern and western [de]
(western also [de], cf. [nl], which was not standardised and has now been
replaced with [de]). [de] was reinforced by [de].
*** Pronunciation
- [de]
- [de]
- [de]
*** Noun
[m]
1. [de] sparrow
**** Declension
[m]
**** Derived terms
- [de]
- [de]
- [de]
*** Further reading
- [R:de:Duden]
- [R:de:DWDS]
[de]