διάφυσις
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 (LSJ)
εως, ἡ, (διαφύω)
A germination, Thphr.HP8.1.6. II division, Arist.HA495b9(pl.), Hp.Mochl.1 (pl.); partition, Arist.HA 562a26, Hp.de Arte10; crack, crevice in rocks, Ph.Bel.102.21 (pl.); gorge, Ph.2.117 (pl.); point or line of separation between the stalk and branch, Hp.Oct.12. III spinous process of the tibia, Id.Fract. 12, Gal.18(2).475.