orkest n (plural orkesten, diminutive orkestje n)
From Latin < Ancient Greek ὀρχήστρα (orkhḗstra) < ὀρχοῦμαι (orkhoûmai, “to dance”) (an intensification of ἔρχομαι (érkhomai, “to go, come”), from Proto-Indo-European *ergh- (“to set in motion, stir up, raise”)) + suffix *-tra denoting "place".