Shiva Purana
कालेशं वृद्धकालेशं कालशेश्वरमेव वा॥ ज्येष्ठेशं जम्बुकेशं वा जैगीषव्येश्वरन्तु वा ॥ ६१ ॥
or the lord of time, the lord of old time, or the lord of time. Either the lord of the eldest or the lord of the jambu or the lord of the jaigishavya.
english translation
kAlezaM vRddhakAlezaM kAlazezvarameva vA॥ jyeSThezaM jambukezaM vA jaigISavyezvarantu vA ॥ 61 ॥
hk transliteration by Sanscript