塌菜

Noun

 * 1)  (syns., Brasica rapa var. narinosa, ), an edible green vegetable known variously in English as tatsoi, spinach mustard, spoon mustard, or rosette bok choy.

Etymology 1
From.

Noun

 * 1)  (syns., Brasica rapa var. narinosa, ), an edible green vegetable known variously in English as tatsoi, spinach mustard, spoon mustard, or rosette bok choy

Etymology 2
Shift in pronunciation from tātsai above, changing the tsa sound to sa in conformance with native Japanese phonetics.

Noun

 * 1)  or, an edible green vegetable known variously in 🇨🇬 as , spinach mustard, spoon mustard, or rosette bok choy

Usage notes
The tāsai reading fits into native Japanese phonetics, and may be more common among some speakers. Some sources suggest that the tātsai reading might be considered more correct.