Where does “đĩa đệm” come from?

đĩa đệm (Vietnamese) comes from Vietnamese đĩa, from Chinese 碟, from Middle Chinese 疊 — to fold.

đĩa đệm (Vietnamese): intervertebral disc

Definitions

  1. intervertebral disc

Ancestry of “đĩa đệm”, step by step

đĩa đệm traces back through two separate lines of ancestry.

via Vietnamese đĩa

StepLanguageWordMeaning
1Vietnameseđĩaa plate, a dish, a saucer, etc; a disc, a disk,...
2Chinese
3Middle Chineseto fold

via Vietnamese đệm

StepLanguageWordMeaning
1Vietnameseđệmmattress; cushion
Every word from Middle Chinese