therewith

[ th air-with, -with ]

/ ˌðɛərˈwɪθ, -ˈwɪð /

with that.

in addition to that.

following upon that; thereupon.

Origin of therewith

before 900; Middle English ther(e)with, Old English thǣrwith. See there, with

Therewith he fled, and the secretary suddenly found himself confronting a new idea.

The Herapath Property |J. S. Fletcher
Therewith a voice said: There be two among you that be not in the quest of the Sangreal, and therefore depart ye.

Le Morte D'Arthur, Volume II (of II) |Thomas Malory
And therewith I raised my fingers to my lips, and, whistling shrilly, cried 'Maignan!

A Gentleman of France |Stanley Weyman
Therewith he pulled out his sword, and swore a great oath that he should slay her if she told him not the truth.

Stories of King Arthur and His Knights |U. Waldo Cutler

Therewith was the knight come to himself, and had taken his sword, and stood up as best he might.

The Romance of Morien |Jessie L. Weston

therewith

/ (ˌðɛəˈwɪθ, -ˈwɪð) /

formal with or in addition to that

a less common word for thereupon (def. 1)

archaic by means of or on account of that