forget oneself / be beside oneself

過ぎる: (auxiliary) too, too much; to exceed, to go beyond something

to exceed; to surpass / to be too much; to be excessive

absorbed (fully occupied with one's thoughts; engrossed)

a trance, absorption in something or someone

to forget / (auxiliary verb, after the continuative form of a verb) to forget to …

a job; an occupation; work / job, work (task) / (physics) work, change of energy

to work

Alternative spelling of 薄絹 (“sheer silk”)

a surname