What does tznano mean?

According to the query of iQiyi official website, in the sixth episode of the TV series "Armor Warrior Nava", Zenano armor appeared. Znano armor is sea blue armor, which is a kind of water armor composed of two of the four elements developed by Guo Long. The summoner is Ma Kuohai, whose energy attribute is water, and he has the power to dissolve evil and drown huge screams. It is characterized by its combination of rigidity and softness, and its fighting style is similar to that of Tai Ji Chuan. It's a super curved armor, and the elemental elf is a spiral sea otter. Fighting skills include vortex defense, howling attack, whistling palm, whistling kick, whistling stab, and killer skills are roaring and charging palm.