What has a suprasegmental feature known as stød which is a kind of laryngeal phonation that is used phonemically, the first person to describe this in In 1743 was a Danish philologist who wrote several highly insightful treatises on Danish and Latin?
Jens Høysgaard:  In 1743, he was the first to describe the stød, an important aspect of Danish phonology, in his "Concordia res parvæ crescunt, eller Anden Prøve af Dansk Orthographie", in which he also introduced the letter Å å to the Danish alphabet. Danish phonology:  For example Danish has a suprasegmental feature known as stød which is a kind of laryngeal phonation that is used phonemically.
i don't know