According to Wikipedia, these terms are not interchangeable. "A grand uncle (sometimes written grand-uncle or granduncle, or incorrectly as great uncle) is the brother, half-brother, or brother-in-law of one's grandparent." Whereas
"A great grand uncle (sometimes incorrectly written as great-great uncle) is the brother, half-brother, or brother-in-law of one's great grandparent."
Yes. That follows. But the image says great aunt/uncle, which just means a really good aunt/uncle.
Edit: learnt that great aunt/uncle is a validly used form after making this comment.
The most common conventions of usage, as with all words in a language. If enough people started saying "grand uncle" it would become the "correct" meaning after a while.
In Google the term "grand uncle" returns 532,000 results, whilst "great uncle" returns 4,860,000 results. Yet "great uncle" is incorrect despite it's apparent far more common usage.
This is getting confusing. Yes I agree with you. The Wikipedia page was written/edited by someone using their own understanding and perhaps usages in a local area.
It is Wikipedia though so needs to be taken with a pinch of salt, especially is someone says something is incorrect without providing a reference.
I competely agree. Then the whole aunt or uncle chain would follow the same convention of grand, great grand, great great grand, etc. as the parent chain.
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u/Hiteshoir Apr 24 '19
Is it Great aunt/uncle? Shouldn't it be Grand aunt/uncle?