συνθεσίη

From LSJ

χωρὶς ὑγιείας βίος ἄβιος ἐστίwithout health life is no-life, without health life is unlivable

Source

French (Bailly abrégé)

ης (ἡ) :
ion. c. συνθεσία.

English (Autenrieth)

(ίθημι): only pl., treaty, Il. 2.339; instructions, Il. 5.319.