れっこ
narekko

Noun
na-Adjective
no-Adjective

1. being used to ...; getting used to ...; being accustomed to; being conditioned to; be familiar with

わたくし たちはみんな よる おそくまで はたらくのに れっこになっている。
watashitachiwa minna yoru osokumade hataraku noni narekkoni natte iru
We are all accustomed to working late at night.
Other forms: