鴃舌

From 南蠻鴃舌／南蛮𫛞舌 (nánmánjuéshé). See there for more.

鴃舌

1. (literary, figuratively) barbarian gibberish; incomprehensible language or dialect of southern China

鴃舌

1. (Hakka) Synonym of 結舌／结舌 (“to stammer; to stutter”).

From 南蛮鴃舌(なんばんげきぜつ) (nanbangekizetsu), from 鴃 (geki, “shrike”) +‎ 舌 (zetsu, “tongue”), alluding to the shrike's persistent, screech-like call.

• On’yomi
• (Tokyo) げきぜつ [gèkízétsú] (Heiban – [0])
• IPA^(key): [ɡe̞kʲize̞t͡sɨᵝ]

鴃(げき)舌(ぜつ) • (gekizetsu) 

1. (derogatory, archaic) barbarian gibberish; the incomprehensible, annoying language of foreigners
   • 1823, Satō Nobuhiro, 混同秘策 [Kondou Hisaku]:

     支那(シナ)既(スデ)ニ版(ハン)図(ト)ニ入(ハイ)るの上(ウヘ)は其(ソノ)西域(セイイキ)暹羅(シャム)、印度亞(インドア)ノ国(クニ)、侏𠌯(シュリ)、鴃舌(ゲキゼツ)、衣(イ)冠(カン)詭(キ)異(イ)ノ徒(ト)、漸々(ゼンゼン)ニ徳(トク)ヲ慕(シタ)ヒ威(イ)ヲ畏(オソ)レ稽顙(ケイサウ)匍(ホ)匐(フク)シテ臣僕(シンボク)ニ隷(レイ)セザルコトヲ得(エ)ンヤ

     Shina sude ni hanto ni hairu no ue wa sono seiiki Shamu, Indo-a no kuni, Shuri, gekizetsu, ikan-kii no to, zenzen ni toku o shitai i o osore keisō hofuku shite shinboku ni reisezaru koto o en ya

     After China is incorporated into our territory, the nations to the west, namely: Siam, Indonesia^[sic], Okinawa, and other peoples of incomprehensible tongues, those claimants of counterfeit nobility, will gradually come to admire our virtue and fear our majesty, and thus have no choice but to submit themselves to us and become our subjects.