This item is marked as inactive, which means it is probably not in the current version of the game (but maybe it used to be). Inactive items do not show up in searches.
Militia Longsword
Blade Weapon
3.9 Delay
One-Handed Sword
13 Physical Damage (3.3 DPS)
Class: Warrior, Paladin, Wizard, Dire Lord, Ranger, Necromancer, Bard
Weight: 3.0
This is up-to-date with the current patch (0.16.89 - 13 days old)