串 → ☊ chuan4 
to string together; to mix up; to conspire; to rove; to make a swift or abrupt linear movement (like a bead on an abacus); to move across; bunch or cluster; string (computing); classifier for rows or strings ☊ 
Chuỗi ☊ 束 ☊ → 球 ☊ → 串 ☊ → 
bunch