Where does “Podiumsdiskussion” come from?

Podiumsdiskussion (German) comes from German Diskussion, from Latin discussiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

Podiumsdiskussion (German): panel discussion

Definitions

panel discussion

Ancestry of “Podiumsdiskussion”, step by step

Podiumsdiskussion traces back through two separate lines of ancestry.

via German Diskussion

Step	Language	Word	Meaning
1	German	Diskussion	discussion
2	Latin	discussiō	shaking
3	Latin	-tiō	tion, -ation, -ing
4	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
5	Latin	dissertus	arranged, disposed; explained
6	Latin	disserere	second-person singular future passive indicative...
7	Latin	dis-	asunder, apart, in two; reversal, removal;...
8	Latin	calceus	shoe
9	Latin	calx	limestone; chalk; the finish line
10	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via German Podium

Step	Language	Word	Meaning
1	German	Podium	podium
2	Latin	podium	balcony, especially in an amphitheatre
3	Ancient Greek	πόδιον	little foot; base
4	Ancient Greek	πούς	foot; leg; Greek foot or pous, the ancient Greek...
5	Proto-Indo-European	pṓds	foot
6	Proto-Indo-European	póds	foot
7	Proto-Indo-European	ped-	to walk, to step; to stumble, to fall

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →