What is the Latin word for therewith?

The usual Latin words for “therewith” are egō̆, is. The right choice depends on the sense; see the distinctions below.

English → Latin

“therewith” in Latin

egō̆I; first person singular personal pronoun, nominative case isthis or that man, woman or thing; he, she, it, they (previously introduced); this or that [man, woman or thing] (as a no

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

therewith

eo: iis: ea, illa, hac re (denoting instrumentality): cum eo, iis, etc. (denoting inconstancy).

Quick answer

What is the Latin word for therewith?: The usual Latin words for “therewith” are egō̆, is. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.