[インド・ヨーロッパそご(インド・ヨーロッパ祖語);インドヨーロッパそご(インドヨーロッパ祖語), indo . yo-roppa sogo ( indo . yo-roppa so go ); indoyo-roppa sogo ( indoyo-roppa so] (n) (See 印欧祖語) Proto-Indo-European (hypothetical language from which all Indo-European languages are derived)
[おくばにものがはさまる, okubanimonogahasamaru] (exp, v5r) to talk around something (exp. derived from having something stuck in your back teeth and thus be unable to speak clearly); to imply something in a roundabout way