Which is older Devanagari or Sanskrit

Sanskrit, the

Examples:

It was discovered in manuscripts at the beginning of the 20th century, but was neglected for a long time in comparison with ancient Greek or Vedic Sanskrit. [Der Standard, 23.12.2008]

Akya comes from a Sanskrit (Old Indian) word [,] »Aikya«, which means something like unity (Oneness / Wholeness). [Interview with the founder of Akya Berlin, January 18, 2019, accessed on August 20, 2020]

The language of the Roma is Romanes, which is rooted in an oral form of Sanskrit. [Neue Zürcher Zeitung, 07/30/2010]

He [a politician] ties [...] to the ideologues of the radical Hindu movement, who see the Hindus as the only legitimate descendants of the Aryan race, whose language was Sanskrit and whose homeland was in the area around the Indus and Ganges. [Neue Zürcher Newspaper, January 9, 2002]

Indian languages, in a broader sense all languages ​​native to the Indian suburbs, which fall into four groups: […] 4) Aryan or Indo-European. In a narrower sense, I. S. is only understood to mean the 4th group. This includes Sanskrit (s. D.), Pali (s. D.), Prakrit (s. D.). Berlin: Directmedia Publ. 2001 [1906], p. 33885]