着ちゃく床しょう前ぜん死し亡ぼうMeaningsNoun1. preimplantation death (Rare)Kanji used着wear床floor前in front of死death亡deceasedComposed of着ちゃく床しょうimplantation (of an embryo)Noun前ぜんlast (i.e. immediately preceding); previous; ex-; former; pre- (e.g. premodern); beforePrefix死し亡ぼうdeath; dying; mortalityNoun