“Once” in Japanese
Short answer
Once in Japanese is “嘗て” (katsute). Full meaning: once, before, formerly, ever, former, ex-; never yet, never before, first time, still not happened.
Other ways to say “Once” in Japanese
一頃
hitokoro once, some time ago
一旦
ittan once; for a short time, briefly, temporarily
一遍
ippen once, one time; exclusively, only, alone
一度
hitotabi once, one time, on one occasion; temporarily, for a moment; one degree, one tone, one musical interval
一時
ichiji one o'clock; once, at one time, formerly, before; for a time, for a while, for the time being, for the present, for the moment, temporarily
一回
ikkai once, one time, one round, one game, one bout, one heat, one inning
かつて
katsute once, before, formerly, ever, former, ex-; never yet, never before, first time, still not happened
ある時
arutoki on one occasion, once, at one point, at one time
一ころ
hitokoro once, some time ago
一朝
itchou temporarily, short period, once, one morning
日外
nichigai at one time, some time ago, once
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