roi ROI -rom-roi- cmavo

converts number to an objectively quantified tense interval modifier; defaults to time tense.

In definition:

cmavnroi
x1 is the selma'o "ROI".

In notes:

rapli
x1 [action] repeats/is repeated for a total of x2 (quantity) occurrences.
dunroi
x1 happens equally as often as x2 in interval x3
mecroi
x1 happens less often than x2 in interval x3
pavroi
x1 happens once in interval x2.
soryroi
x1 happens many times in interval x2.
sotroi
x1 happens seldom/infrequently/is rare in interval x2.
suzroi
x1 happens sometimes in interval x2.
zmaroi
x1 happens more often than x2 in interval x3
si'ei (exp!)
numeric suffix: indicates that the number refers to portionality instead of cardinality
xau'e
symbol string to number/variable
ta'erda
x1 is a part of Lojban text representing rule 'interval-property' according to the first edition of the book 'The Complete Lojban Language'.