1
expressions (phrases
archaic
I hear that ...
1
noun (common) (futsuumeishi)
reason;significance;cause
それについては知る由もなかった。
She had no way to know about it.
2
noun (common) (futsuumeishi)
only applies to
由
piece of information that one has heard;I hear that ...;it is said that ...
Other forms
因 【よし】 · 縁 【よし】