Etymograph

English

semisynchronous

From semi- + synchronous.

Formed from semi- + synchronous

Proto-Indo-European *sem- ‘one’

Proto-Indo-European *sēmi ‘half’

English semi-

Ancient Greek χρόνος ‘time’

Ancient Greek σύγχρονος ‘contemporaneous’

Late Latin synchronus ‘contemporary, synchronic’

English synchronous

Today it means

adj Partially synchronous

Sources

Sources: Wiktionary, “semisynchronous”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / semisynchronous