tacit understanding; collusion; connection of thoughts
Refers to an unspoken mutual understanding or secret agreement between people, often with a nuance of scheming or collusion. Commonly used in the phrase 気脈を通じる (to be in secret communication).
See also: 気脈を通じる
Rare term for blood vessel; the standard modern word is 血管 (けっかん). This sense is archaic or highly specialized.
See also: 血管
They were advancing the plan through tacit understanding.
It seems there is some kind of unspoken connection between the two.
In old medical texts, 気脈 can refer to blood vessels.
Composed of 気 (spirit, mind) and 脈 (vein, pulse). The original meaning likely referred to a connection of vital energy or blood vessels, later extended metaphorically to a mental or emotional connection between people. The derivation of the 'tacit understanding' sense is uncertain but may stem from the idea of a hidden channel of communication.