Etymograph

English

Thamesian

From Thames + -ian.

Formed from Thames + -ian

Proto-Brythonic *Tamesis

Latin Tamesis

Old English Temes

Middle English Temse

English Thames

Today it means

adj From, residing or located by, or pertaining to the English river Thames.

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

Etymograph / Thamesian