Where does “octagonal” come from?

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

octagonal (Spanish): octagonal

Definitions

  1. octagonal

Ancestry of “octagonal”, step by step

StepLanguageWordMeaning
1Spanish-alIn adjectives, indicating relation; In nouns,...
2Latin-ālis—
3Proto-Italic-ālisforms relational adjectives
Every word from Proto-Italic -ālis →Every word from Latin -ālis →Every word from Spanish -al →