Where does “мармар” come from?

мармар (Shor) comes from Russian мра́мор, from Old Church Slavonic мраморъ, from Proto-Slavic mormorъ, from Latin marmor, from Ancient Greek μάρμαρος, from Indo-European *mer-.

мармар (Shor): marble

Definitions

marble

Ancestry of “мармар”, step by step

Step	Language	Word	Meaning
1	Russian	мра́мор	marble
2	Old Church Slavonic	мраморъ	—
3	Proto-Slavic	mormorъ	—
4	Latin	marmor	a block or piece of marble; pulverized marble,...
5	Ancient Greek	μάρμαρος	crystalline rock; marble
6	Indo-European	*mer-	—

Every word from Indo-European *mer- →Every word from Ancient Greek μάρμαρος →Every word from Latin marmor →