tain,ten,tin＝to hold,to keep（安静）
n thread-like part of a climbingplant (eg ivy) by which it clings to a support （攀缘植物如常春藤的）卷须.
[Date: 1500-1600; Origin: Perhaps from Old French tendron, from tendon 'tendon, tendril', from Medieval Latin tendo; TENDON]
a thin leafless curling stem by which a climbing plant fastens itself to a support
literary a thin curling piece of hair