plerumque

Etymology 1
From : as a noun, a substantivisation of its neuter forms; as an adverb, a neuter adverbial accusative.

Noun

 * 1)  the greatest part, the greater part

Adverb

 * 1) for the most part, on most occasions, (for) most of the time, mostly, usually, generally, ordinarily, very commonly, very often, very frequently
 * 2)  on many occasions, often, frequently
 * 3) to a large extent, largely