About
The character "柁" is structurally composed of the wood radical (木) and the phonetic component "它". Its core meaning historically refers to a large, load-bearing wooden beam, particularly a tie-beam supporting the roof ridge in traditional Chinese architecture. From this primary sense of a central structural support, the character's meaning extended to nautical terminology, where it came to denote the rudder post or the rudder itself of a ship, drawing an analogy to the beam's pivotal supporting function. While less common in modern usage, the character retains these two interrelated definitions tied to its fundamental concept of a crucial wooden support.
Etymology Hide
