Kyūjitai form of 言語学 (“linguistics”)

etymology (study of the historical development of languages, particularly of individual words)

linguistics

Kyūjitai form of 語源学: etymology

growing old together

a crayfish / a lobster / a prawn / a shrimp

corridor / cloister

that which when read from start to end or end to start results in the same phrase; a palindrome. In Japanese, the sound unit is the mora, and voicing constraints are ignored.

I am Japanese

I'm Jewish