Ruudud
Ruudud is the plural form of the Estonian noun ruut, meaning "square." As a term it appears across several contexts where square shapes or square units are relevant, including geometry, design, textiles, board games and grid-based systems.
In mathematics and geometry, ruudud denotes multiple squares as plane figures bounded by four equal straight
As a common noun in Estonian, ruudud can appear in compound expressions and idioms related to grids