espousal

詳細解釋：

es.pous.al

n.（名詞）

A betrothal.
訂婚約
A wedding ceremony.
訂婚，訂婚儀式：結婚典禮
Adoption of an idea or a cause.
信條：信奉一個學說或事業

來源：
Middle English espousaille
中古英文 espousaille
from sing. of Old French espousailles [betrothal]
源自 古法文 espousailles的單數 [訂婚]
from Latin spôns3lia [from neuter pl. of] spôns3lis [of a betrothal]
源自 拉丁語 spôns3lia [] 源自spôns3lis的中性複數 [訂婚典禮的]
from spônsus [spouse] * see spouse
源自 spônsus [配偶] *參見 spouse