Where does “nollajoukko” come from?

nollajoukko (Finnish) comes from Finnish nolla, from Swedish nolla, from Italian nulla, from Latin nūlla, from Latin nūllus, from Proto-Italic oinos, from Proto-Indo-European óynos — one; single.

nollajoukko (Finnish): null set negligible set

Definitions

  1. null set negligible set

Ancestry of “nollajoukko”, step by step

nollajoukko traces back through two separate lines of ancestry.

via Finnish nolla

StepLanguageWordMeaning
1Finnishnollazero; digit zero; good-for-nothing
2Swedishnollaa zero; the symbol, or digit, "0"; a zero; a...
3Italiannullafeminine singular of nullo; nothing, anything;...
4Latinnūllano
5Latinnūllusno one, none, not any, nothing
6Proto-Italicoinoscardinal number 1 Previous: n/a Next: *duō;...
7Proto-Indo-Europeanóynosone; single

via Finnish joukko

StepLanguageWordMeaning
1Finnishjoukkogroup, cluster, band; crowd of people number of things or persons, especially a rather large and unorganized one
2Proto-Finnicjoukkogroup
3Proto-Germanicjaukijądraught animal; team of oxen
4Proto-Indo-Europeanyewg-to join, to yoke, to tie together
Every word from Proto-Indo-European óynosEvery word from Proto-Italic oinosEvery word from Latin nūllus