prefix Etymology: New Latin, from Latin, in the way, against, toward, from ob in the way of, on account of; akin to Old Church Slavic o, ob on, around inversely
OB-
Meaning of OB- in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012