So basically it seems like the Urheimat (homeland) of Proto-Malayic people was situated at a land where its northern side is great ocean (laut) and to the south (selatan) a strait (selat).
𓊀 𓂬 𓃱ʰ 〰 𓉭 ☸︎ 𓃻 𓂕¸ 𓂀 д ꕀ 𓊽 ገ¸ 𓃾 𓏷 ⑂¸ ʖ 𓌉 𓆓 𓈈 𓋾 𓁶 𓂏 ሠ 𓃈 .𓁹 ō 𓂝¸ ⚯ 𓃱¸ 𓌀 𑀯 ⌂ ʷó ⌸₁ 𐌙ꕀ ⌸ 𐌈 𐌍 𐌆 𓂋 ϖ ⦠ .𓁹 🪡 Γ ʰ ꁻ 𓋿 𓉤 】【 ° ŋ