[1720–30; ‹ LL prōductilis prolongable, equiv. to L prōduct(us) (ptp. of prōdūcere to extend, produce) + -ilis -ile]This word is first recorded in the period 1720–30. Other words that entered Englishat around the same time include: berm, deadwood, fantail, joker, saloon-ile is a suffix of adjectives expressing capability, susceptibility, liability, aptitude,etc. Other words that use the affix -ile include: hostile, imbecile, juvenile, reptile, servile