【析形】会意字。小篆字形从肉、从。肉与人体有关,与永为一字分化,本义是水网径流。隶书字形变后肉旁多讹变成月,从肉、从永。 【释义】《说文》:“,血理分衺行体者。脉,或从肉。”本义是人体的血管,又指脉搏。引申为事物如血管连贯有条理者,又指血统、宗派等相承的系统。[一脉相传]谓一个血统或派系世代相续流传下来,常比喻某种思想、学说或行为之间的继承关系。 【shape analysis】It is the associative character.In Small Seal script it is related to 肉(ròu,body)plus .肉 is relative to a human body.and 永(yǒng)are divisions of the same character,originally meaning the runoffs of water network.The character ofter Official script is related to 肉 in meaning and sounds like the pronunciation of 永. 【original meaning】The vessels of a human body and also pulse.