411 REFERENCE · Wiktionary
0s
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Appendix:Variations of "os"
English
Noun
en noun form
en 0
Noun
en noun p
The period from year 1 AD to 9 AD; almost the same period as the 1st decade (of the 1st century), which, however, ended with year 10 AD (as 1 to 9 only were nine years)