διαιτᾶσθαι
From LSJ
Sunt verba voces quibus hunc lenire dolorem possis, magnam morbi deponere partem → Words will avail the wretched mind to ease and much abate the dismal black disease.
Lexicon Thucydideum
vitam agere, instituere, to pass one's life, establish, 1.6.6, 2.39.1, 7.77.2,
habitare, vivere, to dwell, live, 2.14.2, 2.52.2, 7.87.3.
