Where does “їисъ” come from?

їисъ (Old Church Slavonic) comes from Ancient Greek Ἰησοῦς, from Aramaic ישוע, from Hebrew ישוע, from Hebrew יהושע, from Hebrew הוֹשֵׁעַ — Salvation; Hosea.

Ancestry of “їисъ”, step by step

StepLanguageWordMeaning
1Ancient GreekἸησοῦςJesus
2AramaicישועJoshua, a Biblical character
3HebrewישועYeshua or Jeshua as the name of multiple people in the Bible, sometimes anglicized in translation as Joshua or Jesus
4HebrewיהושעJoshua
5HebrewהוֹשֵׁעַSalvation; Hosea
Every word from Hebrew הוֹשֵׁעַEvery word from Hebrew יהושעEvery word from Hebrew ישוע