Etymograph

English

thunder lizard

From thunder + lizard

A compound of thunder + lizard

Proto-Indo-European *(s)ten-

Proto-Germanic *þunraz

Proto-West Germanic *þunr

Old English þunor

Middle English thunder

English thunder

Latin lacertus

Old French lesard

Anglo-Norman lusard

Middle English lesarde ‘a lizard used as an alchemical ingredient’

English lizard

Today it means

noun The apatosaurus or brontosaurus.

Sources

Sources: Wiktionary, “thunder lizard”. 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 / thunder lizard

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