English

sublaw

From sub- + law.

Formed from sub- + law

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Proto-Indo-European *legʰ- ‘to lie’

…

Old Norse lag ‘layer, stratum, a laying in order’

Old Norse lǫg ‘law’

Old English lagu ‘law’

Middle English lawe ‘law’

English law

Today it means

noun A secondary or subsidiary law.

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