Where does “kereta api bawah tanah” come from?

kereta api bawah tanah (Indonesian) comes from Japanese 地下鉄道, from Japanese 鉄道, from German Eisenbahn, from German Bahn, from Middle High German ban, from Old High German bana, from Proto-West Germanic *banu, from Proto-Germanic banō.

kereta api bawah tanah (Indonesian): underground railway

Definitions

  1. underground railway

Ancestry of “kereta api bawah tanah”, step by step

kereta api bawah tanah traces back through 3 separate lines of ancestry.

via Japanese 地下鉄道

StepLanguageWordMeaning
1Japanese地下鉄道rapid transit, metro; (AmE) subway; (BrE) underground; (BrE) tube (abbr. 地下鉄)
2Japanese鉄道railway
3GermanEisenbahnrailway, railroad; train
4GermanBahnroute, trail; rail transport; tram, train;...
5Middle High Germanban
6Old High Germanbana
7Proto-West Germanic*banu
8Proto-Germanicbanōa battlefield; a clearing; open space; a cleared...
9Proto-Germanicbanômurderer
10Proto-Indo-Europeangʷʰon-on-
11Proto-Indo-Europeangʷʰen-to strike, slay, kill
12Proto-Indo-Europeanbʰon-

via Malay kereta api

StepLanguageWordMeaning
1Malaykereta apitrain; train, a line of connected railway cars or...
2MalayApifire oxidation reaction
3Proto-Malayicapifire
4Proto-Malayo-Polynesianhapuyfire
5Proto-AustronesianSapuyfire

via Indonesian bawah tanah

StepLanguageWordMeaning
1Indonesianbawah tanahunderground
2Indonesiantanahearth; ground; land
3Malaytanahground; land; earth
4Proto-Malayic*tanahearth; soil
5Proto-Malayo-Polynesian*tanəqearth, soil, land
Every word from Proto-Indo-European bʰon-