Phonetic - What is progressive and regressive assimilation and dissimilation in the Romanic Languages (especially Spanish) and how do you recognize it? Was ist progressive und regressive Assimilation und Dissimilation in den Romanischen Sprachen, besonders im Spanischen? Que es la asimilación progresiva y regresiva y la disimilación fonética en las lenguas románicas (especialmente en el español)?
I am searching for an explication, a good source recommendation, where I could read more about this topic and some examples for the assimilation or dissimilation in the romanic languages, especially in the Spanish language. Thank you for helping me!!