有り合わせる (ありあわせる) Japanese meaning | KotomoraMeanings
1
ichidan verb, intransitive verb
happen to have on hand; be available (by chance)
Describes something that one happens to have or that is available without special preparation. Often used when making do with what is at hand.
で
間
に
合
わ
せよう
。
Let's make do with the ingredients we happen to have.