Etymograph

English

exotesta

From exo- + testa.

Formed from exo- + testa

Proto-Indo-European *h₁eǵʰs ‘out of’

Proto-Hellenic *eks

Ancient Greek ἐκ ‘Out of, from’

Ancient Greek ἔξω ‘outer’

English exo-

Latin testa ‘a piece of burned clay, brick, tile’

English testa

Today it means

noun The outer layer of the testa, derived from the outer integument of the ovule.

Language periods are conventional ranges, not dates for this word.

Etymograph / exotesta