θρόμβωσις
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
English (LSJ)
εως, ἡ,
A becoming curdled, αἵματος καὶ γάλακτος Dsc.5.13; αἵματος Antyll. ap. Orib.7.7.9, cf. Gal.8.408, Lyd.Mens.4.116.
2 blocked vein, thrombosis, coagulation, clotting Cael.Aur.TP4.40.
German (Pape)
[Seite 1219] ἡ, das Gerinnenmachen, das Gerinnen, Medic.
Greek (Liddell-Scott)
θρόμβωσις: -εως, ἡ, πῆξις, γάλακτος Διοσκ. 5. 21.