noun
auxiliary inflecting word (in Japanese)
Rare linguistic term referring to auxiliary verbs and adjectives that attach to other words and inflect, such as ～ている, ～られる, ～たい. Often discussed alongside 補助用言.
See also: 補助用言
日本語学では、「補助語」は補助用言とほぼ同じ意味で使われることがある。
In Japanese linguistics, 補助語 is sometimes used with nearly the same meaning as 補助用言.
Compound of 補助 (assistance) and 語 (word). The exact origin as a linguistic term is uncertain, but it follows the pattern of other grammatical terms.