Where does “tapittaminen” come from?

tapittaminen (Finnish) comes from Finnish tapittaa, from Finnish tappi, from Swedish tapp, from Swedish täppa, from Old Norse tapa, from Proto-Germanic tappōną — to tap.

Ancestry of “tapittaminen”, step by step

Step	Language	Word	Meaning
1	Finnish	tapittaa	to peg; to stare, ogle
2	Finnish	tappi	peg; tap, spigot; plug
3	Swedish	tapp	cone cell
4	Swedish	täppa	to block or obstruct a passage, "e.g." a leak
5	Old Norse	tapa	to lose
6	Proto-Germanic	tappōną	to tap

Every word from Proto-Germanic tappōną →Every word from Old Norse tapa →Every word from Swedish täppa →