According to

going to bed (with someone)

to go to bed (with someone)

Clipping of 知的財産 (chitekizaisan): IP; intellectual property

Small combining form of hiragana え (e) used to explicitly specify the vowel part of the previous hiragana character, or to show a speaker's pronunciation or extension of that vowel.

The hiragana syllable いぇ (ye). Its equivalent in katakana is イェ (ye).

The hiragana syllable つぇ (tse). Its equivalent in katakana is ツェ (tse).

The hiragana syllable うぇ (we). Its equivalent in katakana is ウェ (we).

The hiragana syllable じぇ (je). Its equivalent in katakana is ジェ (je).

The hiragana syllable しぇ (she). Its equivalent in katakana is シェ (she).