IPA: /ˈɒktəvəl/
KK: /ˈɑktəvəl/
Relating to the number eight or a system based on eight, such as in music or mathematics.
The octaval scale is used in some musical compositions to create unique harmonies.
Octaval → It is formed from "octa-" (from Greek "okto", meaning eight) and "-val" (from Latin "valere", meaning to be strong or to be worth). The word refers to something that is related to or consists of eight parts or elements.
Think of 'eight' ('octa-') and something that is 'strong' or 'worth' ('val') — this helps you remember that 'octaval' relates to eight parts.