(いとま)

いとま
noun
spare time, leave
formal
1. spare time, free time, leisure
A more formal or literary expression for free time.
(かぞ)()げれば(いとま)ない
There's no end to listing them all.
I'm so busy I don't even have time to rest.
The problems are too numerous to list.
2. leave, leave-taking, farewell
Used when taking one's leave, especially in formal situations.
そろそろ(いとま)します
I should take my leave now.
長居(ながい)してしまいました。お(いとま)いたします
I've overstayed. I shall take my leave.
(いとま)()げて帰路(きろ)ついた。
I said my farewells and headed home.

(いとま) is a formal/literary reading of the kanji (ひま). It appears primarily in set expressions rather than in casual conversation.

SENSE 1 — SPARE TIME:
Used in formal expressions about having (or lacking) time:

SENSE 2 — LEAVE-TAKING:
A formal way of excusing oneself:

CONTRAST WITH ひま:

  • (ひま): free time, not busy (everyday word)
  • (いとま): spare time, leave-taking (formal/literary)

The same kanji is read differently: ひま is casual and common; いとま is elevated and restricted to set phrases.