pronuba
/ˈprəʊnjuːbə/ /prəʊˈnjuːbə/noun
1 Roman History. A woman chosen to officiate or assist at a marriage ceremony; a matron of honour.
- Also used as an epithet of the goddess Juno..
2In full pronuba moth. Any of several small, white, North American moths of the former genus Pronuba (now Tegeticula, family Incurvariidae or Prodoxidae), which pollinate yucca plants; especially the yucca moth, T. yuccasella.
Origin
Early 16th century; earliest use found in Gavin Douglas (c1476–1522), poet and bishop of Dunkeld. From classical Latin prōnuba woman who attended a bride from prō- + the stem of nūbere to marry.