English word lecky comes from English electricity

Detailed word origin of lecky

Dictionary entry	Language	Definition
electricity	English (eng)	(physics) The study of electrical phenomena; the branch of science dealing with such phenomena. [from 18th c.]. A feeling of excitement; a thrill. [from 18th c.]. Electric power/energy as used in homes etc., supplied by power stations or generators. [from 19th c.]. Originally, a property of amber and certain other nonconducting substances to attract lightweight material when rubbed, or the [...]
lecky	English (eng)	(British, slang) Electricity.

Words with the same origin as lecky