baseline
UK[ˈbeɪslaɪn]US[ˈbeɪslaɪn]
n
a line or standard used as a starting point for comparison or measurement.
n
(in tennis, volleyball, etc.) the line marking each end of the court.
n
(in typography and printing) the imaginary line on which most letters sit.
Morpheme Breakdown
base
line
base
foundation, pedestal.
line
linen thread, string, line.
Etymology
the word "baseline" is a transparent compound formed within english from the pre-existing words "base" and "line." "base" entered english via old french from latin "basis," which itself derives from greek "basis" (a step, pedestal), from the verb "bainein" (to go, to walk). "line" comes from latin "linea" (a linen thread, a string), from "linum" (flax, linen). the compound's logic is straightforward: a "baseline" is literally a foundational line, serving as the reference mark from which other measurements or actions proceed. this concrete sense, evident in sports and surveying, was extended metaphorically to any standard for comparison in various technical and general contexts.
Analysis
Structure: base + line
base: from latin "basis," meaning "foundation, pedestal." functions as the core semantic root denoting the fundamental or starting point.
line: from latin "linea," meaning "linen thread, string, line." functions as a noun-forming element indicating a linear mark or boundary.
Examples
the experiment's results were compared against the established baseline.
the player served from just behind the baseline.
we need to establish a financial baseline before starting the new project.