Suffix (used in writing and formal speech only) (Intermediate ㊥ 343)
During a certain amount of time (something has continued up until the moment of speech or something has never been like the current state).
Equivalent: For; in; since
| (i) Noun (duration) | 来 | |
| 三十年来 | For the past 30 years | |
| (ii) Noun (duration) | 来 | |
| 六十年来の大地震 | The strongest earthquake in 60 years |
