Japanese edit

Kanji in this term
おう
Grade: 1
こく
Grade: 2
on’yomi
Alternative spelling
トンガ王國 (kyūjitai)

Etymology edit

トンガ (Tonga) +‎ 王国 (ōkoku, kingdom)

Proper noun edit

トンガ(おう)(こく) (Tonga Ōkoku

  1. the Kingdom of Tonga