出典:Wiktionary
From Middle English biche, bicche, from 古期英語 biċċe, from Proto-West Germanic *bikkjā, from Proto-Germanic *bikjǭ (compare Norwegian bikkje (“dog”), Old Danish bikke), from *bikjaną (“to thrust, attack”) (compare Old Norse bikkja (“plunge into water”), Dutch bikken (“to hack”)). More at bicker.
bitch (countable かつ uncountable, 複数形 bitches)
bitch (三人称単数 現在形 bitches, 現在分詞 bitching, 過去形および過去分詞形 bitched)