Sub

Preposition used with Accusative and Ablative.
The circumflected accents are used to mark the vowels' length.

with Accusative
 

Non figurative usage

1. Space (of motion): under, up under, up to, close to

• Milites sub montem veniunt.

The soldiers are coming close to the mount.

• Sub adventum ducis pugna commissa est.

Immediately after the commander had come, the battle began.

Figurative usage: under

• Sub imperium Romanum Gallia cecidit.

Gaul fell under the Roman rule.

with Ablative
 

Non figurative usage

1. Space (of position): under, beneath, behind, at the foot of

• Castra sub monte posita sunt.

The camp was placed at the foot of the mount.

• Sub adventu ducis legati consilia de pugna struebat.

About the arriving of the commander the officers were preparing a plan for the battle.

Figurative usage: under

• Multos annos Gallia sub imperio Romano fuit.

For many years Gaul was under Roman rule.