Extended Strong's Greek Lexicon (Abbott-Smith based)
be weary/sick: weak
Usage: κάμνω [in LXX: Job.10:1 (קוּט ni.) Job.17:2, Wis.4:16 15:9, 4Ma.3:8 4Mac 7:13 * ;] __1. to work; hence, from the effect of continued work, __2. to be weary: Heb.12:3 __3. to be sick: Jas.5:15.† (AS)