Where does “apat na raan” come from?

apat na raan (Tagalog) comes from Tagalog daan, from Proto-Philippine dalan, from Proto-Malayo-Polynesian zalan, from Proto-Austronesian zalan — path.

Ancestry of “apat na raan”, step by step

apat na raan traces back through 3 separate lines of ancestry.

via Tagalog daan

StepLanguageWordMeaning
1Tagalogdaanpath, way, road; hundred
2Proto-Philippinedalanpath a trail for the use of, or worn by, pedestrians; a course taken (made by humans as opposed to an animal)
3Proto-Malayo-Polynesianzalanpath
4Proto-Austronesianzalanpath

via Tagalog apat

StepLanguageWordMeaning
1Tagalogapatfour
2Proto-Philippine*a-əpat

via Tagalog na

StepLanguageWordMeaning
1Tagalognaalready; now; now; already; connects adjectives...
2Proto-Austronesian*na
Every word from Proto-Austronesian zalan