M'lady

[…]when people living in the same social set m’lorded and m’ladied each other with much frequency.

Source: wiktionary

[…]lavishly “M’Ladyed,” as was the fashion of the day.

Source: wiktionary

Then he was coming down the slope to her, m’ladying her again: “It’s the lady who telephoned, m’lady. I wasn’t sure whether you would wish to receiver her, m’lady. So I asked her to wait in the hall until I ascertained whether you had returned, m’lady”.

Source: wiktionary

Fanny (how much Tom had told her about Fanny) m’ladied her and took her cloak.

Source: wiktionary