The Pali Text Society's Pali-English dictionary
Jīrati,& Jīrayati [Caus.of jarati] 1.to destroy,bring to ruin,injure,hurt Vin.I,237 (jīrati); J.V,501 (v.l.BB.for jarayetha,Com.vināseyya)=VI,375; PvA.57.‹-› 2.(cp.jīyati) to get old A.III,54 (jarā-dhammaṃ mā jīri “old age may not get old,” or “the law of decay may not work”); Vism.235 (where id.p.D.II,30 reads jīyati); DhA.I,11 (cakkhūni jīranti).-- 3.(intrs.) to be digested Vism.101.(Page 284)
Pali-Dictionary Vipassana Research Institute
jīrati:To grow old; to decay,to wear out; to be digested