English
subsynchronous
From sub- + synchronous.
A compound of sub- + synchronous
Proto-Indo-European *upó ‘up; from below’
Proto-Italic *supo ‘under’
Latin sub ‘under, beneath, below’
English sub-
Ancient Greek χρόνος ‘time’
Ancient Greek σύγχρονος ‘contemporaneous’
Late Latin synchronus ‘contemporary, synchronic’
English synchronous
Today it means
adj of a frequency that is a submultiple of another
Language periods are conventional ranges, not dates for this word.
Etymograph / subsynchronous