Trothplight (noun)
trow-th-pliyt
Engagement to be married; betrothal.
Trothplight, “engagement to be married,” is a compound of troth, “faithfulness, truth, promise,” and plight, “pledge.” Troth, which is also found in betroth, “to arrange for the marriage of,” shares an origin with truce, true, truth, and trust and comes from a root meaning “firmness,” both literal and figurative.
Example sentences
“He was her trothplight and everyone knew it.”
