etymologeek.com dictionary
English word milady comes from English my, English lady.

Milady etymology history

Milady detailed word origin explanation

Dictionary entryLanguageDefinition
my English (eng) Associated with me.. Belonging to me.. First-person singular possessive determiner. See Appendix:Possessive#English.. In the possession of me.. Related to me. Used to express surprise, shock or amazement.
lady English (eng) (UK, slang) A five-pound note. (Rhyming slang, Lady Godiva for fiver.). (Wicca) .. (attributive, with a professional title) Who is a woman.. (familiar) A wife or girlfriend; a sweetheart.. (historical) The mistress of a household.. (in the plural) A polite reference or form of address to women.. (ladies' or ladies) Toilets intended for use by women.. (polite, or, used by children) A woman: [...]
milady English (eng) (now, _, chiefly, historical, _, or, _) An English noblewoman or gentlewoman; the form of address to such a person; a lady. [from 18th c.].

Words with the same origin as milady

Descendants of my
ma milord