ἐλύω
ἰχθύς ἐκ τῆς κεφαλῆς ὄζειν ἄρχεται → the fish stinks from the head, a fish rots from the head down, the fish rots from the head down, fish begin to stink at the head, the fish stinks first at the head, corruption starts at the top, the rot starts at the top
English (LSJ)
A roll round (cf. εἰλύω): only aor. 1 Pass., ῥυμὸς ἐπὶ γαῖαν ἐλύσθη the pole rolled to the ground, Il.23.393; προπάροιθε ποδῶν Ἀχιλῆος ἐλυσθείς rolled up, crouching before Achilles' feet, 24.510, cf. A.R.3.281, 1.1034; λασίην ὑπὸ γαστέρ' ἐλυσθείς coiled close up... Od. 9.433; ἔρως ὑπὸ καρδίην ἐλυσθείς Archil.103. II in later Ep., = εἰλύω, wrap up, cover, ἐνὶ κτερέεσσιν ἐλυσθείς shrouded in them, A.R. 1.254; ἐν πηλοῖσιν ἐλυσθείς Opp.C.3.418, cf. H.2.89; διὰ φλογὸς εἶθαρ ἐ. A.R.3.1313.