| Word form | netsu |
| Original script | 熱 |
| LWT meaning(s) | |
| Word meaning | first meaning as netsubyō “febrile disease”. as higher body temperature first in 1718. |
| Comments on word | first attested as nechi. netsu is attested in 1604. |
| Analyzability | unanalyzable |
| Age | Late Old Japanese [21] (794–1185) |
| Lexical stratum | kango |
| Year | 970 |
| Register | General |
| Numeric frequency | 51.5 |