Where does “grampie” come from?

grampie (English) comes from English grampa, from English grandpa, from English PA, from English papa, from Portuguese papá, from French papa, from Middle French papa, from Old French papa — to scrape, shave, sharpen.

Ancestry of “grampie”, step by step

grampie traces back through two separate lines of ancestry.

via English grampa

StepLanguageWordMeaning
1Englishgrampagrandfather
2Englishgrandpagrandfather
3EnglishPAInitialism of public address; Initialism of...
4EnglishpapaDad, daddy, father; a familiar or old-fashioned...
5Portuguesepapádad; daddy; father; food
6Frenchpapapapa, a child's father; also as form of address:...
7Middle Frenchpapa
8Old Frenchpapa
9Latinpapaan infant's cry for food; father; bishop
10Ancient Greekπαπᾶςpriest
11Old Norsesúlapillar, column
12Proto-Germanicsūlizbeam, post; column, pillar
13Proto-Indo-Europeanḱsewl-
14Proto-Indo-Europeanḱsew-to scrape, shave, sharpen

via English ie

StepLanguageWordMeaning
1EnglishieAlternative form of i.e
Every word from Proto-Indo-European ḱsew-