The nasal sound in the Portuguese word sim evolved historically from Latin nasal endings
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
2 sources for · 0 against
Historical linguistic evidence confirms that the nasal sounds in Portuguese words like sim developed historically from Latin nasal endings and consonants that transferred their nasalization to vowels over time.
The paper discusses the diachronic evolution of vocalic nasality from Latin to Portuguese, confirming that nasality emerged in the language through historical transformations from Latin.
See more details
The analysis
Judged against the evidence record for claims of this kind.
The paper analyzes medieval Portuguese texts and concludes that archaic nasality originates from historical nasal consonants present in previous periods, which disappeared phonetically while transferring their nasal feature to adjacent vowels.