Etymograph

English

capacitance

From capacity + -ance.

A compound of capacity + -ance

Proto-Italic *kapjō

…

Latin capāx ‘that can hold much’

Latin capācitās ‘capability, capacity’

Old French capacite

Middle English capacite

English capacity

Today it means

noun The property of an electric circuit or its element that permits it to store charge, defined as the ratio of stored charge to potential over that element or circuit (Q/V); SI unit: farad (F).

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

Etymograph / capacitance