Viking halberd "spear". The "kesja" was another halberd-type weapon. The name is thought to come from Celtic-Latin "gæsum". The Cleasby and Vigfússon dictionary notes that ""kesja", "atgeir" and "höggspjót" appear to be the same thing". It's interesting to note that "Egils saga" shows the "kesja" being thrown like a javelin or spear, and describes it in detail, calling it also a "mail-piercer" ("brynþvarar"): The "kesja" would thus have a blade around 90 cm in length with a diamond cross-section at the end, and an additional spike attached to the socket, whose placement and purpose is not explained. The length of the weapons'
Pole weapon blade topped with a spike mounted on a long shaft. It always has a hook or thorn on the back side of the axe blade for grappling mounted combatants. Early forms are very similar in many ways to certain forms of voulge, while 16th century and later forms are similar to the pollaxe. The Swiss were famous users of the halberd in the medieval and renaissance eras, with various cantons evolving regional variations of the basic form. In the 14th century, the basic long axe gained an armour piercing spike on the back and another on the end of the