先縄文時代 せんじょうもんじだい Meanings Noun pre-Jomon period (i.e. the preceramic period) See also: 先土器時代 (せんどきじだい). Kanji 先 ahead. Read as セン. 縄 rope. Read as ジョウ. 文 text. Read as モン. 時 time 代 era. Read as ダイ. Jinuma: Japanese Dictionary · Word lists