Where does “katkeransuloinen” come from?

katkeransuloinen (Finnish) comes from Finnish suloinen, from Finnish sula, from Finnish sulaa, from Proto-Finnic suladak, from Proto-Finno-Ugric sula — to molten, melted; melt, dissolve.

katkeransuloinen (Finnish): bittersweet expressing contrasting emotions of pain and pleasure

Definitions

bittersweet expressing contrasting emotions of pain and pleasure

Ancestry of “katkeransuloinen”, step by step

katkeransuloinen traces back through two separate lines of ancestry.

via Finnish suloinen

Step	Language	Word	Meaning
1	Finnish	suloinen	sweet, cute, lovely, graceful, dulcet
2	Finnish	sula	molten; not having ice cover; pure
3	Finnish	sulaa	to melt, thaw; to dissolve, disperse, vanish; to...
4	Proto-Finnic	suladak	to melt
5	Proto-Finno-Ugric	sula	to molten, melted; melt, dissolve

via Finnish katkera

Step	Language	Word	Meaning
1	Finnish	katkera	bitter, resentful
2	Proto-Finnic	kackera	bitter
3	Proto-Finno-Ugric	*kačka-	—

Words derived from “katkeransuloinen”

katkeransuloisesti

Every word from Proto-Finno-Ugric sula →Every word from Proto-Finnic suladak →Every word from Finnish sulaa →