honeymoon
noun
[ ˈhʌnɪmuːn ]
• a holiday spent together by a newly married couple.
• "they flew to the West Indies on honeymoon"
honeymoon
verb
• spend a honeymoon.
• "they are honeymooning in the south of France"
Origin:
mid 16th century (originally denoting the period of time following a wedding): from honey + moon. The original reference was to affection waning like the moon, but later the sense became ‘the first month after marriage’.