◌́ character spelling unconfirmed
Definitions
  1. A diacritical mark of the Latin script, called àmì ohùn òkè (“high-tone mark”) in Yoruba, and found on Á/á, É/é, Ẹ́/ẹ́, Í/í, Ó/ó, Ọ́/ọ́, Ú/ú, Ń/ń and Ḿ/ḿ, used to indicate high-tone, or rising-tone when after ◌̀. diacritic
Source: Wiktionary, where this word is spelled “◌́”. Reference: en-◌́-yo-character-2vhPLnUE