Where does “Matīss” come from?

Matīss (Latvian) comes from Latin Matthiās, from Ancient Greek Ματθίας, from Ancient Greek Ματταθίας, from Hebrew מַתִּתְיָהוּ, from Hebrew יהוה, from Proto-Semitic *haway-.

Ancestry of “Matīss”, step by step

Step	Language	Word	Meaning
1	Latin	Matthiās	—
2	Ancient Greek	Ματθίας	—
3	Ancient Greek	Ματταθίας	Mattathias
4	Hebrew	מַתִּתְיָהוּ	—
5	Hebrew	יהוה	YHWH, Yahweh, Jehovah; God; Yahweh
6	Proto-Semitic	*haway-	—

Every word from Proto-Semitic *haway- →