calafatear

Etymology
From (13th century, ), from.

Verb

 * 1) to caulk seal joints with caulk
 * 2) * 1433, A. Rodríguez González & J. Armas Castro (eds.), Minutario notarial de Pontevedra (1433-1435). Santiago de Compostela: Consello da Cultura Galega, page 32:
 * por calças et sevo et mangueiras et garafetar o tillado
 * for wedges and tallow and hoses and caulking the deck

Etymology
From.

Verb

 * 1)  to caulk seal joints with caulk