subtotal in British English
(sʌbˈtəʊtəl, ˈsʌbˌtəʊtəl)
noun1. the total made up by a column of figures, etc, forming part of the total made up by a larger column or group
verbWord forms: -tals, -talling, -talledWord forms: US -tals, -taling or -taled2. to establish or work out a subtotal for (a column, group, etc)