also: ちにく
blood relative; one's own flesh and blood
Refers to a person who is related by blood, emphasizing a deep, natural bond. Often used in emotional or dramatic contexts.
He is my flesh-and-blood brother.
Parent and child are bound by blood.
Literally the physical body; also used metaphorically for something that becomes part of one's being, such as knowledge or experience.
That experience became part of me.
Knowledge gained from reading becomes flesh and blood.
incorporation; assimilation; internalization
Standard kanji form; the reading けつにく is the most common.
Rare reading; learners should use けつにく.
Compound of 血 (blood) and 肉 (flesh). The metaphorical extension to 'blood relative' and 'integral part of oneself' is natural given the physical components of the body.