Where does this definition of close upon come from?
This entry for close upon is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is close upon a noun, verb, or something else?
In this entry, close upon is tagged as 2v..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.