Where does this definition of one by one come from?
This entry for one by one is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does one by one appear elsewhere on Lughet?
Yes — one by one appears under other sources or language pairs in Lughet's collection. See the list below.
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.