English

lowth

From low + -th (abstract nominal suffix).

Formed from low + -th

Proto-Indo-European *legʰ- ‘to lie’

…

Proto-Germanic *ligjaną ‘to lie’

Proto-Germanic *lēgaz ‘low’

Old Norse lágr

Middle English lāh

English low

Today it means

noun Lowness.

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