Meaning of 物心以来 in Japanese

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Definition of 物心以来

いらい(irai) 【以来】

(n-adv, n-t) since; henceforth
１９８８年以来トムに会っていません。
I haven't seen Tom since 1988.

ものごころ(monogokoro) 【物心】

(n) awareness of things around one; ability to understand what is going on around oneself; judgment; judgement; discretion
とても物心を忘れやすい。
He's very forgetful of things.

ぶっしん(busshin) 【物心】