Where does “ambulacral” come from?

ambulacral (Portuguese) comes from Portuguese -al, from Old Portuguese -al, from Latin -ālis, from Proto-Italic -ālis — forms relational adjectives.

ambulacral (Portuguese): ambulacral pertaining to the ambulacrum

Definitions

  1. ambulacral pertaining to the ambulacrum

Ancestry of “ambulacral”, step by step

StepLanguageWordMeaning
1Portuguese-alappended to noun X, forms adjectives meaning “of...
2Old Portuguese-al—
3Latin-ālis—
4Proto-Italic-ālisforms relational adjectives
Every word from Proto-Italic -ālis →Every word from Latin -ālis →Every word from Portuguese -al →