noun
lovers' talk; whispered intimacies
Refers to affectionate, private conversation between lovers, often with a romantic or intimate tone.
二人は公園のベンチで睦言を交わしていた。
The two were exchanging whispered intimacies on a park bench.
新婚の二人は毎晩睦言にふける。
The newlyweds indulge in lovers' talk every night.
Compound of 睦 (むつ, 'intimate, friendly') and 言 (こと, 'word, speech'), with rendaku voicing of こと to ごと. The exact historical derivation is uncertain, but the word has been used since classical Japanese to denote affectionate talk between lovers.