jointly
From LSJ
κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
adv.
P. and V. κρινῇ, εἰς κοινόν, V. κοινῶς, εἰς τὸ κοινόν (Eur., Tro. 696), ξυνῇ. Alike, at the same time: P. and V. ἅμα, ὁμοῦ.