Meaning

noun a bachelor's degree in arts and sciences

noun the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)

noun the muscles of the abdomen

originFrom the nineteenth-century Lepsius transcription, ȧb, of Egyptian jb (“heart, mind, intention”), ib:Z1.

Etymology from Wiktionary, CC BY-SA 3.0