Where does “niilinruohorotta” come from?

niilinruohorotta (Finnish) comes from Finnish Niili, from Ancient Greek νεῖλος, from Arabic نِيل, from Persian نیل, from Arabic نيل, from Middle Persian 𐭭𐭩𐭫, from Sanskrit नील, from Proto-Indo-European neyH- — to lead.

niilinruohorotta (Finnish): Newmann's grass rat

Definitions

Newmann's grass rat

Ancestry of “niilinruohorotta”, step by step

niilinruohorotta traces back through two separate lines of ancestry.

via Finnish Niili

Step	Language	Word	Meaning
1	Finnish	Niili	Nile
2	Ancient Greek	νεῖλος	river valley
3	Arabic	نِيل	indigo
4	Persian	نیل	indigo
5	Arabic	نيل	verbal noun of نَالَ; indigo; to colour indigo
6	Middle Persian	𐭭𐭩𐭫	indigo
7	Sanskrit	नील	of a dark color
8	Proto-Indo-European	neyH-	to lead

via Finnish ruohorotta

Step	Language	Word	Meaning
1	Finnish	ruohorotta	—
2	Finnish	rotta	rat; unemployed person living on welfare
3	Old Swedish	rotta	—
4	Middle Low German	rotte	—
5	Proto-Germanic	rattaz	rat
6	Proto-Indo-European	Hreh₃d-	to scrape

Every word from Proto-Indo-European neyH- →Every word from Sanskrit नील →Every word from Middle Persian 𐭭𐭩𐭫 →