παρεισ-έρχομαι,
with aorist and perfect active, come or go in beside: in Medicine texts, of fingers or instruments, to be inserted, [[ 2nd c.AD: Galenus Medicus 18(1).323, 332] Refs 2nd c.AD+]: generally, come in, ὅπως.. τύχη παρεισέλθῃ [[ 4th-3rd c.BC: Epicurus Philosophus “Fragmenta” 281p.351U.; παρεισελθόντες ὡς φίλιοι 2nd c.BC: Polybius Historicus 1.7.3, +others; νόμος παρεισῆλθεν ἵνα πλεονάσῃ τὸ παράπτωμα NT.Rom.5.20; π. ἄφνω πρὸς τὴν ἑστίαν 1st-2nd c.AD: Plutarchus Biographus et Philosophus “Coriolanus” 23 ] NT+4th c.BC+]; to be introduced, of a side-issue, [[ 2nd c.AD: Galenus Medicus 8.749] Refs 2nd c.AD+]: with infinitive, π. κατασκοπῆσαι [[ NT.Gal.2.4. ] NT]
__II occur, suggest itself, of an idea, τινι [[Vett. Val. 357.9. ] Refs]