Noun (usually used in formal writing and formal speech) (Advanced ㊤ 738)
A dependent noun that marks the content of what the writer has learned.
Equivalent: (I heard/It is said/etc.) that
| (i) Nounの | 由 | |
| ご入院の由 | I heard of someone’s hospitalisation | |
| (ii) {V/Adjectiveい}informal | 由 | |
| {行う/行った}由 | I heard that someone will do/did something | |
| {高い/高かった}由 | I heard that something is/was expensive | |
| (iii) {Adjectiveなstem/Noun} | {である/であった}由 | |
| 不便{である/であった}由 | I heard that something is/was inconvenient | |
| 先生{である/であった}由 | I heard that someone is/was a teacher |
