Where does “jyrkkäkaarteinen” come from?

jyrkkäkaarteinen (Finnish) comes from Finnish kaarre, from Finnish kaartaa, from Proto-Finnic kaartadak, from Proto-Finnic kaari, from Proto-Uralic këŋere — curved thing.

jyrkkäkaarteinen (Finnish): with steep bends or curves

Definitions

with steep bends or curves

Ancestry of “jyrkkäkaarteinen”, step by step

jyrkkäkaarteinen traces back through two separate lines of ancestry.

via Finnish kaarre

Step	Language	Word	Meaning
1	Finnish	kaarre	bend, curve
2	Finnish	kaartaa	to curve, bend, turn, arch
3	Proto-Finnic	kaartadak	to curve, to bend
4	Proto-Finnic	kaari	curve
5	Proto-Uralic	këŋere	curved thing

via Finnish jyrkkä

Step	Language	Word	Meaning
1	Finnish	jyrkkä	steep, abrupt; strict; radical
2	Proto-Finnic	jürkkä	—

Every word from Proto-Uralic këŋere →Every word from Proto-Finnic kaari →Every word from Proto-Finnic kaartadak →