What does cummaximē mean in Latin?

cummaximē, a adverb, means “at that precise moment, just at this or that time; for the greatest part, most of all, mainly; precisely just so”.

Where does cummaximē come from?

Proto-Indo-European *ḱe? → Proto-Indo-European *ḱóm → Proto-Italic *kom → Old Latin com → Latin cummaximē.

adverb

at that precise moment, just at this or that time
et statim ipse dicebat sententias quae interponi argumentis cummaxime declamantis Marulli possent.And he proceeded himself to point out the epigrams which could have been interspersed in the arguments of Marullus, at that time mid-declamation.c. 37 CE – 41 CE, Seneca Maior, Controversiae 1.21
for the greatest part, most of all, mainly; precisely just so
Aiebat tortoribus: “sic intendite, sic caedite, sic istum quem fecit cummaxime vultum servate, ne sitis ipsi exemplar.”He said to the torturers: “Stretch him like that, flog him like that, keep his present expression just so—or I’ll make a model of you.”c. 37 CE – 41 CE, Seneca Maior, Controversiae 10.3

cummaxĭme, v. 2. cum, I. G.

Latin maximē Latin cummaxime From cum (“at”) + maximē (“particularly”).