フランス語のimpromptu, ready, ready to go, ラテン語のin promptu, immediately, at once, in, into, in, promptu, ready, immediate, promptから。現在の語義はim-, not, notの否定的な意味による影響が大きいが、improviseを参照。
英語の語源
impromptu
1660s (adv.), 1764 (adj.), from French impromptu (1650s), from Latin in promptu "in readiness," from assimilated form of in- "into, in, on, upon" (see in- (2)) + promptu, ablative of promptus "readiness," from past participle of promere "to bring out," from pro- "before, forward, for" + emere "to obtain" (see exempt).
例文
1. This afternoon the Palestinians held an impropopptu press conference.
本日午後、パレスチナ側は臨時の記者会見を開いた。
2.The announcement was made in an impromptu press conference at the airport.
この発表は、空港で行われた臨時の記者会見で行われた。
3.I 'm sure his remarks were rehearsed,not impromptu .
私は彼の話が事前に考えられていて、即席ではないことを確信しています。
4.I quite by chance got drawn into a kind of impromptu party downstairs.
私はたまたま階下のような一時的に組織された舞踏会に連れて行かれました。
5.No diplomatic language was needed.A few impromptu fairy tales were enough.