σύμπληξις
From LSJ
ὁ χρόνος ἐστὶ δάνος, τὸ ζῆν πικρός ἐσθ' ὁ δανίσας → time is a loan, and he who lent you life is a hard creditor | time is on loan and life's lender is a prick
English (LSJ)
εως, ἡ,
A collision, Demetr.Eloc.207; concurrence, τῶν δύο [ὀνομάτων] ib.105.
German (Pape)
[Seite 988] ἡ, das Zusammenschlagen, -stoßen, Sp.