noun, noun which may take the genitive case particle 'no'
person around sixty years old
Casual term modeled on アラフォー (around forty) and アラサー (around thirty); abbreviation of アラウンド還暦 (around kanreki). Often used in media and everyday conversation.
アラ還の父が最近ジムに通い始めた。
My father, who is around sixty, recently started going to the gym.
アラ還世代の健康意識
Health awareness is increasing among the around-sixty generation.
Refers to a person around forty years old; アラ還 is the sixty-year-old counterpart.
Refers to a person around thirty years old; アラ還 is for those around sixty.
The 60th birthday itself; アラ還 describes someone near that age, not necessarily exactly sixty.
Abbreviation of アラウンド還暦 (around kanreki), following the pattern of アラフォー and アラサー. The exact derivation is uncertain, but it likely emerged in Japanese media and casual speech.