Where does “така” come from?

така (Russian) comes from Bengali টাকা, from Sanskrit टङ्क — fruit of {{taxlink|Feronia elephantum|species}};...

Ancestry of “така”, step by step

Step	Language	Word	Meaning
1	Bengali	টাকা	money, currency; wealth; rupee
2	Sanskrit	टङ्क	fruit of {{taxlink\|Feronia elephantum\|species}};...