accidence; morphology
Dated grammar term, largely replaced by 形態論 (けいたいろん) in modern linguistics. Still encountered in older texts or traditional grammar contexts.
See also: 形態論
This old grammar book uses the term 語形論.
語形論 is now often called 形態論.
Compound of 語形 (word form) and 論 (theory, discourse). The exact historical derivation is uncertain; it appears as a traditional grammar term.