What is the Latin word for provided that?

The usual Latin words for “provided that” are modō̆, dummodo. The right choice depends on the sense; see the distinctions below.

English → Latin

“provided that” in Latin

modō̆just, only, merely, simply; recently, just now; presently dummodoprovided (that), on the condition that

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

provided that

dum, modo, dummodo, with subjunctive: provided that not, dum ne; dummodo ne; modo ne, with subjunctive; also, by eā lege, eā conditione ut or ne.

Quick answer

What is the Latin word for provided that?: The usual Latin words for “provided that” are modō̆, dummodo. 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.