Where does “bulan sabit” come from?

bulan sabit (Malay) comes from Malay bulan, from Proto-Malayic bulan, from Proto-Malayo-Polynesian bulan, from Austronesian *bulaN, from Proto-Austronesian bulaN — moon; month; menstruation.

bulan sabit (Malay): crescent: The figure of the moon as it appears between its first or last quarter and the new moon, with concave and convex edges terminating in points

Definitions

  1. crescent: The figure of the moon as it appears between its first or last quarter and the new moon, with concave and convex edges terminating in points

Ancestry of “bulan sabit”, step by step

bulan sabit traces back through two separate lines of ancestry.

via Malay bulan

StepLanguageWordMeaning
1Malaybulanmoon; month
2Proto-Malayicbulanmoon
3Proto-Malayo-Polynesianbulanmoon
4Austronesian*bulaN—
5Proto-AustronesianbulaNmoon; month; menstruation

via Malay sabit

StepLanguageWordMeaning
1Malaysabit—
2Arabicثَابِتconstant; stable; unchanging; certain; permanent
3Arabicثَبَتَto be firm, to be fixed; to be firm, to persist;...
Every word from Proto-Austronesian bulaN →Every word from Austronesian *bulaN →Every word from Proto-Malayo-Polynesian bulan →