noun
self-destruction; self-sabotage
Refers to actions or patterns that harm oneself, one's own position, or one's own work, often psychologically or socially.
彼の行動は自己破壊的だ。
His behavior is self-destructive.
過度の飲酒は自己破壊につながる。
Excessive drinking leads to self-destruction.
Compound of 自己 (self) and 破壊 (destruction). The exact historical derivation is uncertain, but the term follows standard Sino-Japanese word formation patterns.