乳首

乳 (chi, chichi, nyū, “breast”) +‎ 首 (kubi, shu, “neck”)

• (Tokyo) ちくび [chìkúꜜbì] (Nakadaka – [2])^[1][2][3]
• (Tokyo) ちくび [chíꜜkùbì] (Atamadaka – [1])^[1][2][3]
• IPA^(key): [t͡ɕi̥kɯ̟bʲi]

• (Tokyo) ちちくび [chìchíꜜkùbì] (Nakadaka – [2])^[1][2][3]
• IPA^(key): [t͡ɕi̥t͡ɕikɯ̟bʲi]

• (Tokyo) にゅうしゅ [nyúꜜùshù] (Atamadaka – [1])^[1]
• IPA^(key): [ɲ̟ɨːɕɨ]

乳(ち)首(くび) • (chikubi)  or 乳(ちち)首(くび) • (chichikubi)  or 乳(にゅう)首(しゅ) • (nyūshu) ^{←にゆうしう (nyuusiu)?}

1. (anatomy) a nipple
   • 1603, Vocabvlario da Lingoa de Iapam (Nippo Jisho) [Vocabulary of the Language of Japan] (in Portuguese), Nagasaki, page 120:

     Chicubi. チクビ (乳首) 乳房の先端. Chicubiuo fuqumuru. (乳首を含むる) 乳房の先端を人の口の中にさし入れる, すなわち, 乳を吸わせる. Chicubiuo fuqumu, l, cuuayuru. (乳首を含む, または, 銜ゆる) 乳房を口に含む, または, 乳を飲む.

     (please add an English translation of this quotation)

2. a pacifier (for a baby)

• おしゃぶり (oshaburi)

• Doi, Tadao (1603–1604) Hōyaku Nippo Jisho (in Japanese), Tōkyō: Iwanami Shoten, published 1980, →ISBN.