Two words
May be 2 words combined (rare+fio) If not obvious, probably incorrect
fi.o V 3 3 PRES ACTIVE IND 1 S
fio, fieri, factus sum V SEMIDEP [XXXAO]
happen, come about; result (from); take place, be held, occur, arise (event);
be made/created/instituted/elected/appointed/given; be prepared/done; develop;
be made/become; (facio PASS); [fiat => so be it, very well; it is being done];
rar.e ADJ 1 1 VOC S M POS
rarus, rara -um, rarior -or -us, rarissimus -a -um ADJ [XXXAX]
thin, scattered; few, infrequent; rare; in small groups; loose knit;
rare ADV POS
rare, rarius, rarissime ADV [XXXDX] lesser
sparsely, thinly; at wide intervals, loosely; rarely, seldomly;
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