Why do they call it board?

The etymological origin of the word "board" traces back to Old English "bēard" and Proto-Germanic roots denoting a flat piece of timber or plank cut from a tree. Historically, people used flat wooden planks for numerous domestic and structural purposes, including serving food, acting as tabletops, or creating primitive beds. Over centuries, these functional uses expanded into idiomatic expressions. For example, a table used for meals became known as a "board," which is why hospitality accommodations that include food are called "room and board." Similarly, flat pieces of wood used for navigation or covering ships led to maritime terms like "getting on board." Administrative bodies earned the name "board" because early governing committees historically gathered around a wooden table or wooden council board to conduct their official business meetings.

The etymological origin of the word board traces back to Old English (bōrd), where it originally referred to a flat plank or piece of timber. Historically, in medieval times, flat wooden planks were laid across trestles to serve as temporary dining tables, which is why meals provided at an inn became known as "board" (room and board). Over centuries, the meaning expanded outward to describe any flat, rigid sheet of material, writing surfaces like chalkboards, governing committees gathered around a table (boards of directors), and nautical ship sides. You can verify this historical evolution through etymological dictionaries.