Etymograph

English

sea button

From sea + button.

A compound of sea + button

Proto-Germanic *saiwiz ‘sea, lake’

Proto-West Germanic *saiwi ‘body of water’

Old English sǣ

Middle English see ‘sea’

English sea

Proto-Germanic *bautaną ‘to beat’

…

Frankish *bōtan ‘to beat’

Old French bouter ‘to push’

Old French boton

Middle English boton

English button

Today it means

noun A sea urchin of the species Pseudoboletia maculata.

Sources

Sources: Wiktionary, “sea button”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / sea button