Portuguese biscoito

← Spanish bizcocho (cognate)

← French biscuit (cognate)

← Italian biscotto (cognate)

← Latin ([[panis]]) [[bis]] [[coctus]] (inherited)

← Old Portuguese bizcoyto (inherited)

→ Spanish bizcocho (cognate)

→ French biscuit (cognate)

→ Galician biscoito (cognate)

→ Italian biscotto (cognate)

→ Portuguese coito (link)