abas
Synonym discussion
Sense: noun/1
The noun aba refers specifically to a sleeveless, open-front robe from Arab cultures. A cloak, by contrast, typically fastens at the neck and may have a hood — it suggests a more European garment worn for warmth or concealment. Robe is a broader term covering any long loose garment; it often has sleeves and lacks the cultural specificity of aba. A caftan is a similar loose garment from the Middle East and North Africa, but it usually has long sleeves and a front opening, and is often richly decorated. A djellaba is a long hooded robe from Morocco — closer to a cloak than an aba, with a pointed hood called a qob. The key distinction: if you picture a simple, open, sleeveless robe worn over everyday clothes by men in the Gulf region, that is an aba.
Etymology
The word aba comes from Arabic عَبَاء (ʿabāʾ), referring to the traditional loose cloak worn across the Arabian Peninsula and surrounding regions. The fabric sense developed from the material used to make the garment — aba cloth was the coarse camel-hair or goat-hair weave used for these cloaks and for desert tents. The unrelated acronym ABA (for organisations like the American Bar Association or concepts like Applied Behavior Analysis) is a separate word formed from initials.
First known use
1792
1792, in the meaning defined at sense 1