na-adjective
cordial and friendly; affectionate
Archaic adjectival noun describing warm, harmonious relations. Rarely used in modern Japanese; found mainly in classical or formal literary contexts.
古い書物には「敦睦の情」という表現が見られる。
In old books, the expression 'cordial affection' can be found.
Modern term for friendship or amity; 敦睦 is its archaic counterpart with a more literary, classical feel.
The exact derivation is uncertain; the kanji 敦 (cordial) and 睦 (harmonious) combine to express warm, friendly relations. Likely a classical Chinese borrowing.