mid-16c., from Medieval Latin legendarius "pertaining to legends," from legenda (see legend). Earlier in English it was a noun meaning "a collection of legends" (1510s).
the legendary exploits of the arctic trailblazers
legendary exploits of Jesse James
legate
legation
legato
legem pone
legend
legendary
legerdemain
legged
legging
leggy
*legh-