1640s, fort, from French fort "strong point (of a sword blade)," from Middle French fort "fort, fortress" (see fort). Meaning "strong point of a person, that in which one excels," is from 1680s. Final -e- added 18c. in imitation of Italian forte "strong."
forte (adj.)
music instruction, "loud, loudly," from Italian forte, literally "strong," from Latin fortis "strong" (see fort). Opposed to piano.
cooking is his forte
the forte passages in the composition
forswear
forsworn
forsythia
fort
Fort Sumter
forte
forth
forthcoming
forthright
forthwith
forties