Where does “ruutukaava” come from?

ruutukaava (Finnish) comes from Finnish ruutu, from Swedish ruta, from Middle Low German rūte, from Old High German rūta, from Latin rūta, from Ancient Greek ῥυτή — rue.

ruutukaava (Finnish): grid plan

Definitions

grid plan

Ancestry of “ruutukaava”, step by step

ruutukaava traces back through two separate lines of ancestry.

via Finnish ruutu

Step	Language	Word	Meaning
1	Finnish	ruutu	square; rectangle; box
2	Swedish	ruta	square, tile; windowpane; panel
3	Middle Low German	rūte	—
4	Old High German	rūta	—
5	Latin	rūta	rue bitter herb
6	Ancient Greek	ῥυτή	rue

via Finnish kaava

Step	Language	Word	Meaning
1	Finnish	kaava	pattern; layout; formula
2	Proto-Germanic	skawwōną	to look, see, watch
3	Proto-Indo-European	(s)kewh₁-	to perceive; to observe

Every word from Ancient Greek ῥυτή →Every word from Latin rūta →Every word from Old High German rūta →