Rationale
The prefix ab- means 'away'.
This Latin prefix is commonly used in English to indicate a motion or position away from something.
A) away
The prefix ab- signifies 'away from' or 'off' in Latin, and this meaning is preserved in English. For instance, 'abhor' means to regard with extreme repugnance or to feel hatred for, indicating a mental movement away from liking or acceptance. Similarly, 'abject' refers to a state that has been cast down or reduced, while 'absorb' means to take in or soak up, which might be interpreted as moving substances away from their original location.
B) above
The prefix ab- does not mean 'above'. The Latin word for 'above' is 'supra' or 'super', not 'ab'. Therefore, none of the words 'abhor', 'abject', 'absorb', or 'absolute' carry the meaning of 'above'.
C) remove
While 'remove' is related to the concept of moving away, the prefix ab- does not specifically mean 'remove'. 'Remove' implies an action performed by an external agent, whereas 'ab-' more generally signifies a state or condition of being away from something, irrespective of how that situation came about.
D) enter
The prefix ab- definitely does not mean 'enter'. This meaning is in direct opposition to the 'away from' connotation of 'ab-'. The Latin root for 'enter' is 'intro', not 'ab'. Thus, none of the words 'abhor', 'abject', 'absorb', or 'absolute' convey the meaning of 'enter'.
Conclusion
In conclusion, the prefix ab- in words like 'abhor', 'abject', 'absolute', and 'absorb' signifies a state or motion away from something. It does not mean 'above', 'remove', or 'enter'. An understanding of Latin roots and prefixes can enhance one's English vocabulary and comprehension, and assist in deciphering the meanings of unfamiliar words.