cedra - 'era '

cedra
era
 
'era '
 
x1 is an era/epoch/age characterized by x2 (event/property/interval/idea) a 9 (x2 interval should be the defining boundaries; if

(x2 interval should be the defining boundaries; if merely a characterizing period, the nature of the interval should be expressed in an abstract bridi, or the interval should be marked with tu'a; x2 may also be characteristic object(s) or practices of the era, if marked with tu'a); (cf. ranji, temci, citsi)

cf