Abstract = 摘要 (summary) or 抽象 (Abstract concepts etc.)
In 抽象，抽 = Pumping (suck), 象 = Elephant
I further wonder how that occurred.
And here I thought kanji compounds made no sense because they were adapted from Chinese with little regard to their meaning but apparently hanzi are just as wild.
Just wait until you read the raving zebra of my masters thesis.