Where does “sider” come from?

sider (Maltese) comes from Arabic صَدْر, from Classical Persian دفتر, from Arabic دَفْتَر, from Aramaic דפתרא, from Classical Syriac ܕܦܬܪܐ, from Ancient Greek διφθέρα, from Proto-Hellenic dipʰtʰérā.

sider (Maltese): chest; a woman’s breasts collectively

Definitions

chest; a woman’s breasts collectively

Ancestry of “sider”, step by step

Step	Language	Word	Meaning
1	Arabic	صَدْر	bust; breast, bosom; breast, chest, bosom
2	Classical Persian	دفتر	—
3	Arabic	دَفْتَر	register; notebook
4	Aramaic	דפתרא	—
5	Classical Syriac	ܕܦܬܪܐ	parchment, hide; account book
6	Ancient Greek	διφθέρα	prepared hide, piece of leather; especially as...
7	Proto-Hellenic	dipʰtʰérā	—

Words derived from “sider”

sidri

Every word from Proto-Hellenic dipʰtʰérā →Every word from Ancient Greek διφθέρα →Every word from Classical Syriac ܕܦܬܪܐ →