Where does “diafragmar” come from?

diafragmar (Catalan) comes from Catalan diafragma, from Late Latin diaphragma, from Ancient Greek διάφραγμα, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

diafragmar (Catalan): to diaphragm

Definitions

to diaphragm

Ancestry of “diafragmar”, step by step

Step	Language	Word	Meaning
1	Catalan	diafragma	diaphragm
2	Late Latin	diaphragma	—
3	Ancient Greek	διάφραγμα	partition or barrier; lock in a canal; diaphragm,...
4	Ancient Greek	διά	throughout
5	Proto-Indo-European	dwís	twice, doubly; in two
6	Proto-Indo-European	dwóh₁	two

Every word from Proto-Indo-European dwóh₁ →Every word from Proto-Indo-European dwís →Every word from Ancient Greek διά →