Tagalog isa

← Proto-Austronesian *isa (inherited)

← Proto-Austronesian *əsa (mention)

← Proto-Austronesian *asa (mention)

← Proto-Malayo-Polynesian *isa (inherited)

← Proto-Malayo-Polynesian *əsa (mention)

→ Cebuano usa (cognate)

→ Tetum ida (cognate)

→ Tagalog sampu (affix)

→ Tagalog sandali (suffix)

→ Tagalog sandali (suffix)

→ Tagalog sangkatlo (affix)

→ Tagalog sangkatauhan (compound)

→ Tagalog sangkapat (affix)

→ Tagalog sangkaterba (mention)

→ Tagalog sangkatutak (mention)