noun
lines of the palm; aptitude; handwriting; standard method
General noun with several distinct meanings: the lines on one's palm; natural skill or talent; handwriting style; or a standard, established way of doing something. Context usually makes the intended meaning clear.
手相占いでは、手筋の流れをよく見る。
In palm reading, they carefully examine the flow of the palm lines.
彼はもともと手筋がいいから、すぐ上達するだろう。
He has a natural aptitude, so he'll probably improve quickly.
noun
tesuji; skillful move in go or shogi
Technical term in go and shogi for a clever, efficient move that is the best play in a local position. Often used figuratively for a smart tactic in other contexts.
この局面では、ここに打つのが手筋だ。
In this position, playing here is the tesuji.
彼は手筋をたくさん知っている強い棋士
この書類は手筋がきれいで読みやすい。
This document has neat handwriting and is easy to read.
He is a strong player who knows many tesuji.
筆跡 is the standard term for handwriting or brushwork; 手筋 can also mean handwriting but is less frequent.
Compound of 手 (hand) and 筋 (line, muscle, logic). The meanings extend from physical lines on the hand to skill, handwriting, and strategic moves.