peradventure

名词 peradventure:

1. doubt or uncertainty as to whether something is the case

副词 peradventure:

1. by chance
   同义词：possibly, perchance, perhaps, maybe, mayhap

per.ad.ven.ture

adv.Archaic （副词）【古语】
Perhaps; perchance.
或许；偶然地
n.（名词）
Chance or uncertainty; doubt.
机会或不确定；怀疑

来源：
Middle English per aventure
中古英语 per aventure
from Old French [by chance]
源自 古法语 [偶然地]
per [through] from Latin * see per
per [通过] 源自 拉丁语 *参见 per
aventure [chance] * see adventure
aventure [机会] *参见 adventure