蝦夷方言藻汐草

NINJAL’s conversational dictionary gives sento hotuyekar wa ek with 船頭を呼んで来い, directly supporting sento for the recorded boatman. The two topic records repeat one sentence. The resource combines an 1898 base with later transcription and speaker data, so its metadata date alone cannot date this exact spelling. Ota’s sento names the currency unit cent and supplies no evidence for 船頭. The Japanese-loan analysis is plausible from センド and 船頭, without fixing its borrowing date.