noun
intimate friends and acquaintances
A yojijukugo referring to one's circle of close friends and trusted acquaintances. Somewhat literary and formal.
彼は知己朋友に恵まれ、充実した人生を送った。
He was blessed with intimate friends and acquaintances, and lived a fulfilling life.
A yojijukugo composed of 知己 (intimate friend) and 朋友 (friend/companion). The exact historical derivation is uncertain, but it follows the typical pattern of combining synonymous compounds for emphasis.