stuðlar
Stuðlar is the plural form of stuðull, an Icelandic word with several related meanings. In mathematics and statistics, stuðull refers to a coefficient: a number that multiplies a variable in an algebraic term or that weights a term in a model. For example, in a linear model such as y = a + b x, the value b is a stuðull in relation to x. The term is widely used to describe the factors that determine or scale outcomes in equations, polynomials, and statistical analyses.
In structural and architectural language, stuðlar can also mean supports, props, or pillars that bear loads
The verb stuðla means to support or promote, and the noun form underpins both physical and figurative
Etymology and usage: stuðull derives from the Icelandic verb stuðla, reflecting the core idea of support or