Where does “тумбест” come from?

тумбест (Macedonian) comes from Russian ту́мба, from German Tumbe, from Vulgar Latin tumba, from Ancient Greek τύμβος, from Proto-Indo-European tūm-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

тумбест (Macedonian): bumpy

Definitions

bumpy

Ancestry of “тумбест”, step by step

Step	Language	Word	Meaning
1	Russian	ту́мба	cupboard, cabinet, pedestal
2	German	Tumbe	grave, coffin
3	Vulgar Latin	tumba	grave; tomb
4	Ancient Greek	τύμβος	funeral mound, tomb, grave
5	Proto-Indo-European	tūm-	to grow; to swell, to increase; to swell, be...
6	Proto-Indo-European	tewh₂-	to swell; to crowd; to be strong

Every word from Proto-Indo-European tewh₂- →Every word from Proto-Indo-European tūm- →Every word from Ancient Greek τύμβος →