Where does “nivelilo” come from?

nivelilo (Esperanto) comes from Esperanto nivelo, from Latin lībella, from Latin lībra, from Ancient Greek ζυγόν, from Proto-Hellenic dzugón, from Proto-Indo-European yugóm, from Proto-Indo-European yewg- — to join, to yoke, to tie together.

nivelilo (Esperanto): spirit level tool for finding whether a surface is level

Definitions

spirit level tool for finding whether a surface is level

Ancestry of “nivelilo”, step by step

Step	Language	Word	Meaning
1	Esperanto	nivelo	level
2	Latin	lībella	An as (the tenth part of a denarius)
3	Latin	lībra	—
4	Ancient Greek	ζυγόν	yoke, for joining animals; yoke, burden; in...
5	Proto-Hellenic	dzugón	yoke
6	Proto-Indo-European	yugóm	yoke
7	Proto-Indo-European	yewg-	to join, to yoke, to tie together

Every word from Proto-Indo-European yewg- →Every word from Proto-Indo-European yugóm →Every word from Proto-Hellenic dzugón →