Etymology of the English word isochronous
the English word isochronous
derived from the New Latin word isochronus (isochronous; of equal duration; taking place at the same time)
derived from the Greek word isochronos, ἰσόχρονος
using the Greek prefix iso-, ἰσο-
derived from the Greek word isos, ἴσος, ἴσως (similar (in amount and kind); likely; perhaps)
derived from the Greek word chronos, χρόνος (a space of time or interval; by extension, an individual opportunity; by implication, delay)