דָּלַל
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → For extreme diseases, extreme methods of cure, as to restriction, are most suitable.
English (Strong)
a primitive root (compare דָּלָה); to slacken or be feeble; figuratively, to be oppressed: bring low, dry up, be emptied, be not equal, fail, be impoverished, be made thin.