thatness

uncountable usually

The quality or characteristic of being that (something referred to).

Japanese Meaning

そのものらしさ、すなわち、ある対象に固有の性質や特徴を指す意味 / 対象物がそれ自体であるという特性、固有の本質や特徴

The critic described the poem's thatness as the source of its emotional power.

批評家は、その詩がそれであるという性質こそが感情的な力の源だと述べた。

Sense（1）

The quality or characteristic of being that (something referred to).

thatnesses

（ plural ）