There′with‐al″ (?), adv. 1. Over and above; besides; moreover. Daniel.
And therewithal it was full poor and bad. Chaucer.
2. With that or this; therewith; at the same time.
Thy slanders I forgive; and therewithal
Remit thy other forfeits. Shak.
And therewithal one came and seized on her,
And Enid started waking. Tennyson.