Where does “ローマ字会” come from?

ローマ字会 (Japanese) comes from Japanese ローマ字, from Japanese ローマ, from Italian Roma, from Latin Rōma — Rome and/or Constantinople (the latter as "Nova Roma").

Ancestry of “ローマ字会”, step by step

Step	Language	Word	Meaning
1	Japanese	ローマ字	Latin alphabet; romaji
2	Japanese	ローマ	Rome, Roman
3	Italian	Roma	Rome
4	Latin	Rōma	Rome and/or Constantinople (the latter as "Nova Roma")

Words derived from “ローマ字会”

Romajikai

Every word from Latin Rōma →Every word from Italian Roma →Every word from Japanese ローマ →