also: うちこうしょう
noun
preliminary negotiations; informal talks
Refers to behind-the-scenes or informal discussions held before formal negotiations begin. Often used in political or business contexts.
両社は正式な契約の前に内交渉を重ねた。
The two companies held preliminary negotiations before the formal contract.
内交渉で大筋の合意ができた。
A broad agreement was reached through informal talks.
予備交渉 also means preliminary negotiations but is more formal and structured, while 内交渉 emphasizes informal, behind-the-scenes discussions.
非公式協議 is a broader term for informal consultations, not necessarily tied to negotiations, whereas 内交渉 specifically implies talks leading to formal negotiations.
Compound of 内 (inside, informal) and 交渉 (negotiations). The reading ないこうしょう follows standard on'yomi, while うちこうしょう is a mixed reading.