Altar vow (2 wds.)

• Words that a bride and groom say to each other: 2 wds
• Promising reply
• Pledge words
• Vow before taking the stand
• Veiled oath
• Words said before a pastor
• Swearing-in phrase: 2 wds
• Reply to "Who wants some eggnog?" maybe

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1908, artificial language based on Esperanto, devised 1907; from Ido -ido “offspring,” suffix representing Latin -ida , Greek -ides .

Wikipedia Word definitions in Wikipedia
Ido is a constructed language created to be a universal second language for speakers of diverse backgrounds. Ido was specifically designed to be grammatically , orthographically , and lexicographically regular, and above all easy to learn and use. In this ...