Indonesian rel

← Old English regol (derived)

← English rail (derived)

← Middle English rail (derived)

← Middle English rayl (mention)

← Middle English *reȝel (mention)

← Middle English *reȝol (mention)

← Middle English reȝolsticke (mention)

← Old French reille (derived)

← Latin regula (derived)

← Latin regere (mention)

← Dutch rail (borrowed)