καῖρος
From LSJ
Δόλιον γὰρ ἄνδρα φεῦγε παρ' ὅλον τὸν βίον → Dum vivis, insidiosos curriculo fuge → Den Hinterhältigen fliehe, dein ganzes Leben lang
English (LSJ)
ὁ (on the accent v. Eust.907.13),
A row of thrums in the loom, to which the threads of the warp are attached, ravel, Ael. Dion.Fr.400, Phot.:—hence καιρ-όω, make fast these threads: