Where does “octagonal” come from?

octagonal (Catalan) comes from Catalan -al, from Latin -ālis, from Proto-Italic -ālis — forms relational adjectives.

octagonal (Catalan): octagonal

Definitions

  1. octagonal

Ancestry of “octagonal”, step by step

StepLanguageWordMeaning
1Catalan-alIn adjectives, indicating relation
2Latin-ālis—
3Proto-Italic-ālisforms relational adjectives
Every word from Proto-Italic -ālis →Every word from Latin -ālis →Every word from Catalan -al →
octagonal — Etymology, Origin & Word History | Etymology Explorer