Where does “κωλοτούμπα” come from?

κωλοτούμπα (Greek) comes from Greek τούμπα, from Latin tumba, from Ancient Greek τύμβος, from Proto-Indo-European tūm-, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

κωλοτούμπα (Greek): somersault; U-turn, sudden turnabout, volte-face,...

Definitions

somersault; U-turn, sudden turnabout, volte-face,...

Ancestry of “κωλοτούμπα”, step by step

Step	Language	Word	Meaning
1	Greek	τούμπα	small hill; somersault; tuba
2	Latin	tumba	tomb
3	Ancient Greek	τύμβος	funeral mound, tomb, grave
4	Proto-Indo-European	tūm-	to grow; to swell, to increase; to swell, be...
5	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 →