Etymograph

English

hammertail

From hammer + tail.

A compound of hammer + tail

Proto-Germanic *hamaraz ‘tool with a stone head’

Proto-West Germanic *hamar

Old English hamor

Middle English hamer ‘a hammer’

English hammer

Proto-Indo-European *deḱ- ‘to tear, fray, shred’

…

Proto-Germanic *taglą ‘hair, fiber’

Proto-West Germanic *tagl

Old English tæġel

Middle English tail

English tail

Today it means

noun Any of the genus Efferia of large, often dull-colored robber flies, the males of which have a mallet-like appendage at the ends of their abdomens.

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

Etymograph / hammertail