Etymology of the English word effable
the English word
effablederived from the Old French word
effablederived from the Late Latin word
effabilisderived from the Latin word
effari (utter, say; declare)
using the Latin prefix
ex-derived from the Late Latin word
ex (out)
derived from the Proto-Indo-European root
*eghsderived from the Latin word
fari (speak, talk; say)
derived from the Proto-Indo-European root
*bha-derived from the Proto-Indo-European root
*bhā-Date
The earliest known usage of effable in English dates from the 17th century.