polttotaso (Finnish) comes from Finnish poltto, from Finnish polttaa, from Proto-Finnic polttadak, from Proto-Finnic paladak, from Proto-Uralic pala- — to devour, eat.
polttotaso (Finnish): focal plane
Definitions
focal plane
Ancestry of “polttotaso”, step by step
polttotaso traces back through two separate lines of ancestry.