"easily breakable," early 15c., from Old French frangible, from Medieval Latin frangibilis, from Latin frangere "to break" (from PIE root *bhreg- "to break"). Related: Frangibility.
the museum stored all frangible articles in locked showcases
francium
Franco-
Francophile
Francophone
franc-tireur
frangible
frangipani
Franglais
frank
Frank
Frankenstein