|Short description:||Grimm's Law postulated|
|Medium description:||Grimm's Law is a description of the way in which the consonants of the IE group changed systematically to form the consonants used in the Germanic branch. 3 changes occured voicless stops > voicelss frictives; voiced stops > voiceless stops; aspirated voiced stops > voiced stops.|
The 'law' first appeared in the second edition of his work 'Deutsche Grammatik'
Jacob Grimm was a German philologist and with his brother also collected German folk stories