Definition of 捨て仮名 (すてがな)
すがな
                        捨て仮名
すてがな
sutegana
noun
1.
small okurigana used with kanbun
2.
small kana used for diphthongs (ya, yo, yu, i, etc.)
Other readings:
                捨仮名【すてがな】
                Related Kanji
| 捨 | discard, throw away, abandon, resign, reject, sacrifice | 
| 仮 | sham, temporary, interim, assumed (name), informal | 
| 名 | name, noted, distinguished, reputation |