ダイヤ
だいや
noun
diamond; train schedule
1.
diamond
A precious gemstone; the diamond suit in cards.
2.
train schedule, timetable
The scheduled times for train operations (short for ダイヤグラム).
ダイヤ has two main meanings:
1. DIAMOND:
2. TRAIN SCHEDULE (short for ダイヤグラム):
The train schedule meaning comes from the diagram (ダイヤグラム) showing train movements on a time-distance graph, historically shaped like a diamond pattern.
For the card suit, ダイヤ is one of four suits: ハート (hearts), ダイヤ (diamonds), スペード (spades), クラブ (clubs).
Related Words
Synonym:
ダイヤモンド (full form (more formal))