Where does “lantajatsarit” come from?

lantajatsarit (Finnish) comes from Finnish lanta, from Esperanto lante, from Esperanto lanta, from Ido lenta, from French lent, from Italian lento, from Spanish lento, from Galician -ura — ing, -ure, -work.

Ancestry of “lantajatsarit”, step by step

Step	Language	Word	Meaning
1	Finnish	lanta	Animal feces used as fertilizer; manure, dung;...
2	Esperanto	lante	slowly
3	Esperanto	lanta	slow
4	Ido	lenta	slow
5	French	lent	slow
6	Italian	lento	slow
7	Spanish	lento	slow
8	Galician	-ura	-ness
9	Latin	-ura	Suffix forming abstract nouns from adjectives
10	Latin	-tūra	ing, -ure, -work

Every word from Latin -tūra →