פֶּן
From LSJ
ἀσκεῖν περὶ τὰ νοσήματα δύο, ὠφελεῖν ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (Strong)
from פָּנָה; properly, removal; used only (in the construction) adverb as conjunction, lest: (lest) (peradventure), that...not.
