考かんがえに耽ふける

expression, godan verb (-ru)

be absorbed in thought; muse; think things through

Describes being deeply lost in one's own thoughts, often for a prolonged period. The expression is a set phrase combining 考え (thought) with 耽る (to be absorbed).

See also: 考え事に耽る

• 彼かれは窓まど辺べに座すわって、考かんがえに耽ふけっていた。

  He sat by the window, absorbed in thought.