Thank you, hm !

I found some dictionary entries for "ayah" ... but none mentions a masculine form of the word (except for Portuguese) ... and all of them say that it's mostly used in Indian English ... as, among others :

https://www.lexico.com/definition/ayah

 ayah

noun

   A nursemaid or nanny employed by Europeans in India or another former British territory.

Origin

Anglo-Indian, from Portuguese aia ‘nurse’, feminine of aio ‘tutor’.

https://www.collinsdictionary.com/dictionary/...

 ayah in British English

(ˈaɪə )

noun

(in the East, Africa, and other parts of the former British Empire) a maidservant, nursemaid, or governess, esp one of Indian or Malay origin

Compare amah

Collins English Dictionary. Copyright © HarperCollins Publishers

Word origin

C18: from Hindi āyā, from Portuguese aia, from Latin avia grandmother ...