The word "restis" is spelled with the IPA phonetic transcription /ˈrɛstɪs/. The "r" is pronounced as "r" in the word "run". The "e" is pronounced as "e" in the word "bet", and the "s" is pronounced as "s" in the word "song". The "t" is pronounced as "t" in the word "tap", and the "i" is pronounced as "i" in the word "hit". Therefore, the phonetic transcription of "restis" guides you on how to correctly pronounce the word using the exact sound of each letter.
Corpus restiforme.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.