ゴ, コウ, のち, うし.ろ, うしろ, あと, おく.れる, こし, し, しい, しり
behind, back, later
JLPT5 G2 S9 F26
The relevant bronzeware inscription form is an abbreviated form# of 幼 (slight power) + an element combining 夊 dragging leg/foot and 彳 movement → drag along on account of having slight power → *behind*; *late*; *after*. Other extended meanings include *back*; *rear*; *lag*; *late*; *afterward*; *since* (then); *ever since*; *the remainder*; (time) *remaining* and *successor*.
[Full Kanji Etymology List]