Middle English word therwith comes from Old English þǣr, Old English wiþ, Old English þǣrwiþ, and later Old English þærwiþ (Therewith, in return, in exchange, against.)
| Dictionary entry | Language | Definition |
|---|---|---|
| þǣr | Old English (ang) | |
| wiþ | Old English (ang) | Against, opposite. Along, towards. With With it; together; therewith. |
| þǣrwiþ | Old English (ang) | |
| þærwiþ | Old English (ang) | Therewith, in return, in exchange, against. |
| therwith | Middle English (enm) | Therewith. |