Definition of Young Grammarians in English:

Young Grammarians

noun

Linguistics
historical
  • A school of historical linguists holding that phonetic changes (sound laws) operate without exceptions; = "Junggrammatiker"; (also in singular) a member of this school.

Origin

Late 19th century; earliest use found in American Journal of Philology. After German Junggrammatiker Junggrammatiker.