野衾

野 (no-, “wild”) +‎ 衾 (fusuma, “quilt”). The fusuma changes to busuma as an instance of rendaku (連濁).

• IPA^(key): [no̞bɯ̟sɨma̠]

野(の)衾(ぶすま) or 野衾(ノブスマ) • (nobusuma) 

1. (Japanese folklore) Monster, 妖怪 (yōkai), resembling a Japanese giant flying squirrel or large bat said to eat tree fruits, blood of living creatures and fire
2. synonym of 鼯鼠 (musasabi, “Japanese giant flying squirrel, Petaurista leucogenys”)
3. synonym of モモンガ (momonga, “flying squirrel”)

The kanji are Jukujikun (熟字訓).

• IPA^(key): [mo̞mõ̞ŋɡa̠]

野衾(ももんが) or 野衾(モモンガ) • (momonga) 

1. alternative spelling of モモンガ (“flying squirrel”)