壁蝨

壁蝨

1. tick
2. bedbug

• (tick): 蜱 (pí), 蝨子／虱子 (shīzi)
• (bedbug):

Japanese Wikipedia has an article on:

壁蝨

Wikipedia ^ja

English Wikipedia has an article on:

Acari

Wikipedia

/tani/ → /dani/

From Old Japanese. Shift from earlier reading tani.^[1][2] This reading persists in some modern dialects.

The kanji spelling is jukujikun (熟字訓), from Chinese 壁蝨 / 壁虱 (bìshī). The characters literally mean 壁 (“wall”) + 蝨 (“louse”), as an indication that ticks and mites may be found on walls.

• (Tokyo) だに (Odaka – )^[2]
• IPA^(key):

壁蝨(だに) or 壁蝨(ダニ) • (dani) 

1. a tick, a mite: any of various small parasitic arachnids of subclass Acari
2. (derogatory, figurative) a parasite, a layabout, a moocher: someone who lives off other people

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary), as ダニ.

The ancient form of dani above.

• IPA^(key):

壁蝨(たに) • (tani) 

1. (obsolete) a tick, a mite: any of various small parasitic arachnids of subclass Acari