/ ɪˈmɜːs; NAmE ɪˈmɜːrs/ verb [ vn ]
1.
immerse sb/sth (in sth) to put sb/sth into a liquid so that they or it are completely covered
2.
immerse yourself / sb in sth to become or make sb completely involved in sth :
She immersed herself in her work.
Clare and Phil were immersed in conversation in the corner.
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WORD ORIGIN
early 17th cent.: from Latin immers- dipped into, from the verb immergere , from in- in + mergere to dip.