The word "obscure" means to hide or conceal something from sight. It comes from the Latin word "obscurus" which comes from "ob", which means toward, and the root "skeu", which is Indo-European for cover or conceal. So "ob" in "obscure" basically just means toward.
ob
The word is obscure.
ob which means toward, against, in the way
To put an obstacle in the way
The prefix od- otherwise known as ob- means toward, against, or completely.
The prefix for "oblivious" is "ob-." In this case, "ob-" is a prefix that means "against" or "towards." When added to the word "oblivious," it changes the meaning to suggest a lack of awareness or consciousness towards something.
The prefix of "oblige" is "ob-".
The prefix of "obtrusive" is "ob-".
The prefix of "obsess" is "ob-".
the prefix ob means against something e.g objection, obstacle, obstruction
Yes, "obstruct" has a prefix "ob-" and a suffix "-ct." The prefix "ob-" means against or in opposition, while the suffix "-ct" is a verb-forming suffix in this case.
The true opposite of prefix is no prefix.But, as a prefix means something added at the start of a word. the generally understood opposite is suffix - which is something added to the end of a word.