Finnish word niinisyy comes from Finnish syy, Finnish niini (Bast.)

Detailed word origin of niinisyy

Dictionary entry	Language	Definition
syy	Finnish (fin)	Fault. Fibre. Filament. Grain (linear texture of a material or surface); used in plural (syyt). Reason.
niini	Finnish (fin)	Bast.
niinisyy	Finnish (fin)	(botany) phloem fiber.

Words with the same origin as niinisyy