Sunday, July 17, 2022

kasda

This is a short one, but I thought it was interesting.

The Hebrew word for helmet, kasda  קַסְדָּה (or in the Mishna, קַסְדָּא) comes from Latin. Here is Klein's etymology:

From L. cassis, gen. cassidis, which prob. stands for * kadh-tis, from IE * kadh– (= to guard, watch), whence also Old Eng. hōd, hood, haett (= hat).

While words like hood and hat may indeed be distantly cognate with kasda, I liked these closer cousins. 

The Latin cassida shows up in the name of a genus of tortoise beetles, whose shells do recall a helmet:

From Wikipedia / © Darius Baužys

It also appears in the name of of a family of large sea snails, the Cassidae, who are also known as "helmet snails":

https://www.flickr.com/photos/budak/51362681871

How responsible of them to be wearing a kasda!


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