συνᾴδω
sunadō
- to sing together in concert
STEPBible TBESG
Glosses: to sing together in concert
1. to sing with or together , (Aeschines Orator); ς. ᾠδάν (Aristophanes Comicus)
2. generally, to be in accord with , τινί (Sophocles Tragicus)
3. transitive to celebrate together , τινά (Theocritus Poeta Bucolicus) (ML)