English
predictable
From predict + -able.
A compound of predict + -able
Proto-Indo-European *deyḱ- ‘to show’
Proto-Indo-European *déyḱeti ‘to show, point out’
Proto-Italic *deikō ‘to show, indicate’
Latin dīcō ‘to say’
Latin praedicō ‘to mention beforehand’
English predict
Today it means
adj Able to be predicted.
Language periods are conventional ranges, not dates for this word.
Etymograph / predictable