/ ɪnˈgrəʊs; NAmE ɪnˈgroʊs/ verb
[ vn ] if sth engrosses you, it is so interesting that you give it all your attention and time
► en·gross·ing / ɪnˈgrəʊsɪŋ; NAmE -ˈgroʊs-/ adjective :
an engrossing problem
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WORD ORIGIN
late Middle English (formerly also as ingross ): based on en- , in- in + late Latin grossus large. The current sense is from Old French en gros , from medieval Latin in grosso wholesale