Where does “sastre” come from?

sastre (Bikol Central) comes from Spanish sastre, from Old Spanish sastre, from Old Catalan sastre.

Ancestry of “sastre”, step by step

StepLanguageWordMeaning
1Spanishsastretailor
2Old Spanishsastretailor
3Old Catalansastre—
Every word from Old Catalan sastre →Every word from Old Spanish sastre →Every word from Spanish sastre →