Early-attested site in the Parish of Combe Martin
- Trocumbe 1198 FF
- Troccomb 1330 SR
The first element may be OE trog , 'trough,' in some topographical sense. The place lies in a small semicircular hollow, v. cumb .Cf. Trafford (Ch), Trosford DB, Trochford c. 1100, Trocford c. 1190, Trohford , Trowefordia late 13th St Werburgh Cartulary.