tester

tester · noun¹

1. Latin · derived fromtestura
2. Old French · derived fromtestre
3. Middle English · inherited fromtester
4. English todaytester

From Middle English tester, from Old French testre, from Latin testura.

tester · noun²

1. Middle English · inherited fromtester
2. English todaytester

From Middle English tester, equivalent to test + -er.

tester · noun³

1. French · derived fromteston
2. English todaytester

For testern, teston, from French teston. See tester (“a covering”), and compare testone, testoon.

tester · noun⁴

1. Middle English · inherited fromtester
2. English todaytester

Inherited from Middle English tester; see testiere.

Tester · proper noun⁵

1. Old French · derived fromtestard“someone with a big head”
2. English todayTester

From Old French testard (“someone with a big head”), a pejorative from teste (“head”).

Words from the same roots