MORGANATICALLY
Etymology
Adverb
morganatically (not comparable)
In a morganatic manner.
Source: Wiktionary
MORGANATIC
Mor`ga*nat"ic, a. Etym: [LL. matrimonium ad morganaticam, fr.
morganatica a morning gift, a kind of dowry paid on the morning
before or after the marriage, fr. OHG. morgan morning, in morgangeba
morning gift, G. morgengabe. See Morn.]
Definition: Pertaining to, in the manner of, or designating, a kind of
marriage, called also left-handed marriage, between a man of superior
rank and a woman of inferior, in which it is stipulated that neither
the latter nor her children shall enjoy the rank or inherit the
possessions of her husband. Brande & C.
– Mor`ga*nat"ic*al*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition