ثمّنهُ
1.
He made it eight: or called it eight. (Esh-Sheybánee, and K in article وحد.)
2.
[He made it octangular.]
3.
ثمّن لِامْرَأَتِهِ, or عِنْدَهَا, He remained eight nights with his wife: and in like manner the verb is used in relation to any saying or action. (TA in article سبع.)