The term "V-shape" is a modern English compound, originating in the mid-20th century within the fields of economics and data analysis. It is formed by combining the name of the letter "V", chosen for its iconic pointed and symmetrical form, with the common noun "shape". The logic is purely descriptive and visual: the letter's form provides a perfect metaphor for a trajectory that plummets to a low point and then rebounds with equal speed and magnitude. This compound exemplifies how English readily creates new terminology by repurposing its most basic alphabetic and lexical elements to describe complex, abstract patterns like economic recoveries or chart trends.

This is a compound word formed from the English letter "V" and the English noun "shape". It is a modern, language-internal formation, not derived from classical roots. The letter "V" functions as a modifier, and "shape" functions as the head noun.