Unwield command
From ThresholdRPG Wiki
This command attempts to unwield a weapon you currently have wielded. There are a variety of means of doing this (as listed below) and you can use whichever method floats your boat.
Usage
unwield - without modifier, tries to unwield primary weapon
unwield primary - unwield primary weapon
unwield 1 - unwield primary weapon
unwield offhand - unwield offhand weapon
unwield 2 - unwield offhand weapon
unwield <weapon> - unwield a weapon by name (don't use brackets)
unwield sword 2 - unwield the second sword in your inventory
Help File
help unwield