pohja[Finnois]

nom
1 : the basis on which something is grounded
2 : the stock of basic facilities and capital equipment needed for the functioning of a country or area
3 : the most important or necessary part of something
4 : lower side
5 : the part of a scene (or picture) that lies behind objects in the foreground
6 : the bottom side of a geometric figure from which the altitude can be constructed
7 : principles from which other truths can be derived