醤油

/ɕauju/ → /ɕɔːju/ → /ɕoːju/

First attested in the mid-Muromachi period.

Orthographic borrowing from Chinese 醬油 / 酱油 (literally “thick paste + oil”).

• (honorific) お醤油(しょうゆ) (o-shōyu)

• (Tokyo) しょーゆ [shòóyú] (Heiban – [0])^[1][2]
• IPA^(key): [ɕo̞ːjɯ̟]

醤(しょう)油(ゆ) • (shōyu) ^{←しやうゆ (syauyu)?}

1. soy sauce

   Synonyms: 下地 (shitaji), 紫 (murasaki)

• 醤油(しょうゆ)で煮染(にし)めたよう (shōyu de nishimetayou, “dipped in boiling soy sauce → very dirty”)
• 金時(きんとき)の醤油(しょうゆ)煮(だ)き (Kintoki no shōyudaki)

• → Dutch: soja, via Kagoshima dialect forms そい (soi)^[3] → そや (soya) (see there for further descendants)
• → English: shoyu
• → Hawaiian: koiū

/ɕaujiu/ → /ɕɔːjuː/ → /ɕoːjuː/

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Shift from shōyu above?”)

醤(しょう)油(ゆう) • (shōyū) ^{←しやういう (syauiu)?}

1. (rare) soy sauce

Cognate with standard Japanese 醤(しょう)油(ゆ) (shōyu) and Okinawan 醤(そー)油(ゆー) (sōyū).

• IPA^(key): (Kagoshima) [soj]^[3]
• IPA^(key): (Kagoshima) [ɕoj]^[3]

醤(そ)油(い) or 醤(しょ)油(い) • (soi or shoi) 

1. (Kagoshima) soy sauce

• しょい豆(まめ) (shoi mame, “stir-fried fava beans soaked in soy sauce”)

• → Dutch: soja, via topicalized form そや (soya) (see there for further descendants)

• 大(だい)豆(ず) (daizu, “soybean”)
• 醤(ひしお) (hishio)

Cognate with standard Japanese 醤油 (shōyu, “soy sauce”).

• (Shuri-Naha) そーゆー [sòóyúú] (Heiban - [0])^[1]
• IPA^(key): [soːjuː]

醤(そー)油(ゆー) (sōyū) 

1. soy sauce

Cognate with Japanese 醤油 (shōyu, “soy sauce”).

• IPA^(key): [ɕoi]

醤油(しょい) (shoi) 

1. (Asama) soy sauce

• “しょい【醤油・醬油】” in JLect - Japonic Languages and Dialects Database Dictionary, 2019.