ἀπὸ λεπτοῦ μίτου τὸ ζῆν ἤρτηται → life hangs by a thin thread
P. and V. ἅπαξ.
once for all: P. and V. εἰσάπαξ, P. καθάπαξ.
once upon a time: P. and V. ποτέ, ἤδη πότε, πάλαι ποτέ, V. ποτ' ἤδη; see formerly.
at once: see immediately.
together, alike: P. and V. ἅμα, ὁμοῦ, ὁμοίως, V. ὁμῶς.
δεκαείς, ἕνδεκα
