Etymograph

English

subdouble

From sub- + double.

Formed from sub- + double

Proto-Indo-European *upó ‘up; from below’

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Proto-Indo-European *dwi- ‘two’

…

Proto-Italic *duplos

Latin duplus ‘twofold’

Old French doble

Middle English double

English double

Today it means

adj Synonym of subduple.

Language periods are conventional ranges, not dates for this word.

Etymograph / subdouble