Desirable

google

ref

late Middle English: from Old French, suggested by Latin desiderabilis, from desiderare ‘to desire’ (see desiderate).

wiktionary

ref

From Old French desirable.

Morphologically desire +‎ -able.

etymonline

ref

desirable (adj.)

"worthy to be desired, fit to excite a wish to possess," late 14c., from Old French desirable (12c.), from desirrer (see desire (v.)). In Middle English sometimes it meant "desired, hoped for, welcome." Related: Desirably.