BY-
Meaning of BY- in English
(also bye- ) / baɪ; NAmE / prefix (in nouns and verbs)
1.
less important :
a by-product
2.
near :
a bystander
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005