Where does “tiggerska” come from?

tiggerska (Swedish) comes from Swedish tigga, from Old Swedish þiggia, from Old Norse þiggja, from Proto-Germanic þigjaną, from Proto-Indo-European teḱ- — to sire, beget.

Ancestry of “tiggerska”, step by step

Step	Language	Word	Meaning
1	Swedish	tigga	beg; to request the help of someone; beg; to...
2	Old Swedish	þiggia	to receive; to beg
3	Old Norse	þiggja	to receive, accept of; to accept; to take...
4	Proto-Germanic	þigjaną	to accept, receive; to implore, beg
5	Proto-Indo-European	teḱ-	to sire, beget

Every word from Proto-Indo-European teḱ- →Every word from Proto-Germanic þigjaną →Every word from Old Norse þiggja →