What is the Latin word for which?

The usual Latin words for “which” are uterus, quī, quisquis. The right choice depends on the sense; see the distinctions below.

English → Latin

“which” in Latin

uteruswomb, uterus; fetus, newborn; belly, paunch quīwho, that, which, what quisquiswhoever, whatever

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

which

Relative, qui, quae, quod. Which way, qua (in what direction); quo modo (by what means): which of two = whether, uter; (of several) quisquis.

Interrogative, uter: quis; e.g., which of you (two) did it? uter fecit? which of you said this? quis vestrum hoc dixit? (of several).

Quick answer

What is the Latin word for which?: The usual Latin words for “which” are uterus, quī, quisquis. 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.