Insimul
A Law Dictionary and Glossary · George C. Kinney · 1893
A Law Dictionary and Glossary
L Together; jointly. Insimnl compntassent, or computasset: they accounted together, he accounted together, — one of the common counts, otherwise called a count upon an account stated.
In old English law
Insimul tenuit: a species of the writ of formedon in the descender.