There is much speculation around the question 'where did the term pooch as a dog nickname originate from'. No one is certain where the term originates from, but some say that it is of Hindustani origin.
canine, pooch (informal), mongrel, mutt (slang), hound
THE NEW YORK SUN, May 23,1941 LETTERS TO THE EDITOR "Sir: In your issue of May 17 there was a letter in which it was admitted that the word 'pooch' as applied to a dog could not be traced to a legitimate origin. Several days ago I alluded to the dog of a retired British Army officer as a 'pooch.' He was astonished and asked if I'd ever been to India. 'Pooch,' he said, 'is Hindustani for dog. I'm astonished to hear it here!' I told him that I got it out of the 'funnies,' where it was used by the late T.A. Dorgan, unless I am mistaken." V.E. Scott.
The word 'pooch' is an informal word for a dog, a singular common noun, a word for any pooch.A proper noun is the name of a person, place, thing, or a title; for example:Project POOCH, a program to rehabilitate incarcerated youths by training difficult to adopt dogs.Pooch Hotel, 1214 West Monroe Street, Chicago, ILPooch Lane, Pinopolis, SC'The Pooch and The Pauper' (2000), with Richard Karn and Fred Willard
It is simply likening a woman to a female dog: It originates as an insult.
Other than being slang and Anglo American, the origin is unknowm
"Pooch" is a common slang word for dog.
Pooch
pooch smooch
Cur, mongrel, canine, pooch.
Soaked Dog = Soggy Doggy.
dog snog, pooch smooch
A pooch is another name for a dog.
"The Thin Man's Pooch" is a nickname for the miniature schnauzer dog breed. These dogs are known for their distinctive appearance with a wiry coat and bushy eyebrows. They are loyal, intelligent, and make great companions for their owners.
canine, pooch (informal), mongrel, mutt (slang), hound
A Pekingese dog.
THE NEW YORK SUN, May 23,1941 LETTERS TO THE EDITOR "Sir: In your issue of May 17 there was a letter in which it was admitted that the word 'pooch' as applied to a dog could not be traced to a legitimate origin. Several days ago I alluded to the dog of a retired British Army officer as a 'pooch.' He was astonished and asked if I'd ever been to India. 'Pooch,' he said, 'is Hindustani for dog. I'm astonished to hear it here!' I told him that I got it out of the 'funnies,' where it was used by the late T.A. Dorgan, unless I am mistaken." V.E. Scott.
dog, doggie, canine