vicenary

形容词 vicenary:

1. of or relating to or based on 20

vic.e.nar.y

adj.（形容词）
Consisting of or relating to 20.
包含20的或者与20有关的
Of, relating to, or being a notation system based on 20.
属于、关于或作为20为基数的记法体系的

来源：
Latin vocôn3rius
拉丁语 vocôn3rius
from vocôno [twenty each]
源自 vocôno [每二十一次的]
from voginto [twenty] * see wokôto
源自 voginto [二十] *参见 wokôto