Where does “duoli” come from?

duoli (Finnish) comes from Italian duole, from Italian dolere, from Latin dolēre, from Latin doleō, from Proto-Italic doleō, from Proto-Indo-European dolh₁éyeti, from Proto-Indo-European delh₁- — to split, divide.

duoli (Finnish): duplet

Definitions

duplet

Ancestry of “duoli”, step by step

Step	Language	Word	Meaning
1	Italian	duole	third-person singular present indicative of...
2	Italian	dolere	to ache; to lament; to grieve
3	Latin	dolēre	—
4	Latin	doleō	to hurt, suffer (physical pain)
5	Proto-Italic	doleō	hurt, cause pain
6	Proto-Indo-European	dolh₁éyeti	divide
7	Proto-Indo-European	delh₁-	to split, divide

Every word from Proto-Indo-European delh₁- →Every word from Proto-Indo-European dolh₁éyeti →Every word from Proto-Italic doleō →