God

Father - YHWH "I AM"
Son - Jesus (Lat.)> Joshua (Eng.) > Yehosua (Hbr.) "God Saves"
Spirit - Spiritus (Lat.) > Ruach (Hbr.) "Breath (of life)"

Possibility of the full name of the Trinity:  "I am the God who Saves Life."

What's in a name? Everything.