English

semitubular

From semi- + tubular.

Proto-Indo-European *sem- ‘one’

Proto-Indo-European *sēmi ‘half’

English semi-

Latin tuba ‘long trumpet over 1 meter in length,…’

Latin tubus ‘trumpet used at sacrifices’

Latin tubulus ‘diminutive of tubus’

Today it means

adj Shaped like half of a tube divided longitudinally.

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

Etymograph / semitubular