παρεισ-δύνω,
slip in, penetrate, τὸ ἔλαιον π. [[ [prev. author = 4th c.BC: Aristoteles Philosophus] “Pr.” 881a7: _metaphorically_, εἰς τὰς γνώμας π. 4th c.BC: Demades Orator ] Refs 4th c.BC+] 3: perfect - δέδῡκα, εἰς τὰς ἄλλας διαλέκτους [[ 2nd c.AD: Apollonius Dyscolus Grammaticus “de Syntaxi;” 319.24 ] Refs 2nd c.AD+]:—also παρεισδύω, τὰ παρεισδύοντα τῶν διαλέκτων [[ [prev. author] “Pron.” 4.23. ] Refs]
__II middle παρεισδύομαι, ἐς τὸ στόμα [[ 5th c.BC: Hippocrates Medicus “ἐπιδημίαι” 5.86, compare 2nd c.AD: Soranus Medicus 1.101, 2nd c.AD: Galenus Medicus 2.653; ἀλλοφυλίας.. κατὰ μικρὸν -δυομένης 4th-3rd c.BC: Epicurus Philosophus “Epistulae” 2p.48U.; εἰς τὴν πόλιν 2nd c.AD: Herodianus Grammaticus 2.12.1, etc.] Refs 5th c.BC+]; [τὸ ὕδωρ] παρεισδυόμενον πνίγει [[ 4th c.BC: Aristoteles Philosophus “Problemata” 933a16 ] Refs 4th c.BC+]; of a leech's bite, penetrate into, [[ 2nd c.AD: Aretaeus Medicus “ὀξέων νούσων θεραπευτικόν” 2.6 ] Refs 2nd c.AD+]; of customs, [[ 1st-2nd c.AD: Plutarchus Biographus et Philosophus 2.216b, “Agis” 3, etc. ] Refs 1st c.AD+]