Each

1. местоимение каждый, всякий Например: each of us — каждый из нас each 2. прилагательное каждый Например: Each student has to learn it by heart. — Каждый студент должен выучить это наизусть. each 3. наречие по отношению к каждому, на каждого Например: They received ten cents each. — Каждый получил по десять центов.

Большой англо-русский словарь

Each

I. adjective Etymology: Middle English ech, from Old English ǣlc; akin to Old High German iogilīh each; both from West Germanic *aiw- ever, always (whence Old English ā always) + *galīkaz having the same form, like (whence Old English gelīc like) — more at aye, like being one of two or more distinct individuals having a similar relation and often constituting an aggregate II. pronoun each one Example: to each his own III. adverb to or for each; apiece Example: cost a dollar each

Merriam-Webster's Collegiate Dictionary