Where does “šaškárna” come from?

šaškárna (Czech) comes from Czech šašek, from Czech šach, from Classical Persian شاه, from Middle Persian 𐭬𐭫𐭪𐭠, from Old Persian 𐏋, from Proto-Iranian xšáyati, from Proto-Indo-Iranian kšáyati, from Proto-Indo-European teḱ- — to sire, beget.

šaškárna (Czech): tomfoolery, phoney, mummery

Definitions

tomfoolery, phoney, mummery

Ancestry of “šaškárna”, step by step

Step	Language	Word	Meaning
1	Czech	šašek	jester
2	Czech	šach	check; shah
3	Classical Persian	شاه	—
4	Middle Persian	𐭬𐭫𐭪𐭠	king
5	Old Persian	𐏋	king
6	Proto-Iranian	xšáyati	—
7	Proto-Indo-Iranian	kšáyati	he rules, he has power over
8	Proto-Indo-European	teḱ-	to sire, beget

Every word from Proto-Indo-European teḱ- →Every word from Proto-Indo-Iranian kšáyati →Every word from Proto-Iranian xšáyati →