de'i'a BAI experimental cmavo

in the Nth century.

na'arctodetri modal. ex.) lo ratni jbama cu co'a zvati lo terdi de'i'a li reno (The atomic bomb has been on the Earth since the 20th century.) See also de'i; de'i'e, de'i'i, de'i'o, de'i'u.

In notes:

na'arctodetri
x1 (number) is the century notation of the date of event/state x2, in system x3.
de'i'e (exp!)
in the year N.
de'i'i (exp!)
in the Nth month.
de'i'o (exp!)
on the Nth day of the month.
de'i'u (exp!)
on the Nth day of the week.