ει conditional
ei  i: if, whether, that, etc. -- forasmuch as, if, that, (al-)though, whether.
καυχασθαι verb - present middle or passive deponent infinitive
kauchaomai  kow-khah'-om-ahee: to vaunt (in a good or a bad sense) -- (make) boast, glory, joy, rejoice.
δει verb - present impersonal active indicative - third person singular
dei  die: also deon deh-on'; neuter active participle of the same; both used impersonally; it is (was, etc.) necessary (as binding) -- behoved, be meet, must (needs), (be) need(-ful), ought, should.
τα definite article - accusative plural neuter
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
της definite article - genitive singular feminine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ασθενειας noun - genitive singular feminine
astheneia  as-then'-i-ah: feebleness (of mind or body); by implication, malady; morally, frailty -- disease, infirmity, sickness, weakness.
μου personal pronoun - first person genitive singular
mou  moo: of me -- I, me, mine (own), my.
καυχησομαι verb - future middle deponent indicative - first person singular
kauchaomai  kow-khah'-om-ahee: to vaunt (in a good or a bad sense) -- (make) boast, glory, joy, rejoice.