(よく)

よく
prefix
next; following
1. next; following (the next day/year/etc.)
Prefix indicating the time period immediately after a reference point.
翌日(よくじつ)(ねつ)()がった。
The next day, my fever went down.
(よく) + (じつ) = the next day
翌年(よくねん)(かれ)会社(かいしゃ)()めた。
The following year, he quit the company.
(よく) + (ねん) = the following year
翌朝(よくあさ)(はや)()きた。
The next morning, I woke up early.
(よく) + (あさ) = the next morning

(よく)〜 is a prefix meaning 'the next' or 'the following,' always referring to a time after a specified reference point.

COMMON COMPOUNDS:

  • 翌日(よくじつ) (the next day; the following day)
  • 翌朝(よくあさ/よくちょう) (the next morning)
  • 翌年(よくねん/よくとし) (the following year)
  • 翌月(よくげつ/よくつき) (the following month)
  • 翌週(よくしゅう) (the following week)

DIFFERENCE FROM (らい)〜:

  • (よく)〜: the next one AFTER a reference point (in narratives/past events)
  • (らい)〜: the next one FROM NOW (present perspective)

Example:

  • 翌日(よくじつ) = 'the next day' (in a story about the past)
  • 明日(あした)/来日(らいにち) = 'tomorrow' (from today)

(よく)〜 is primarily used in written narratives and formal contexts.