The story
- Akkadian · derived fromaḫu/aḫû
- grc-att · derived fromἈχελῷος
- Latin · borrowed fromAchelōus
- English todayAchelous
From Latin Achelōus, from Attic Greek Ἀχελῷος (Akhelōîos), Epic Greek Ἀχελώϊος (Akhelṓïos), which is probably from Akkadian aḫu/aḫû + illu/elu/ilu; see also Etruscan [script needed] (Axlei) and [script needed] (Αυκηλως), which are probably from Akkadian aklu (“chieftain”) and Sumerian akil.
Etymology from Wiktionary, CC BY-SA 4.0.