Where does “tujukan” come from?

tujukan (Indonesian) comes from Indonesian tuju, from Malay tuju, from Malay se-, from Old Malay sa-, from Proto-Malayic sA-, from Proto-Malayic əsa, from Proto-Malayo-Chamic əsa, from Proto-Malayo-Sumbawan əsa.

Ancestry of “tujukan”, step by step

StepLanguageWordMeaning
1Indonesiantujuto point
2Malaytujuto point
3Malayse-one; used to form the comparative of adjectives;...
4Old Malaysa-—
5Proto-MalayicsA-one
6Proto-Malayicəsa—
7Proto-Malayo-Chamicəsa—
8Proto-Malayo-Sumbawanəsa—
9Proto-Malayo-Polynesianəsaone
10Proto-Austronesian*əsa—
11Proto-Oceanic*isa—
Every word from Proto-Oceanic *isa →Every word from Proto-Austronesian *əsa →Every word from Proto-Malayo-Polynesian əsa →