The Latin phrase manu scriptus describes something written by hand. Manuscript now also names a work prepared for publication.
The scored forms belong to a Latin phrase. The base forms explain their grammar and are not extra chronological borrowing stages.
Sources
- Merriam-Webster: manuscript
The phrase underlies the adjective; the noun also denotes a publication draft.
- Collins: manuscript
The entry identifies manu as an ablative and scriptus as a past participle.
- Online Etymology Dictionary: manufacture
Also built on Latin *manu* "by hand": manufacture