nidan verb with 'u' ending (archaic), transitive verb
Archaic transitive verb meaning to get, acquire, or obtain something. In modern Japanese, 得る (うる/える) is used instead.
See also: 得る (うる)
古典では「利を得る」を「利を得」と記すことがある。
In classical texts, 'to gain profit' may be written as 利を得 instead of 利を得る.
nidan verb with 'u' ending (archaic), transitive verb
Archaic use in the pattern 〜することを得, meaning 'it is possible to do'. This construction is not used in modern Japanese.
古文では「知ることを得ず」のように可能を表した。
In classical Japanese, possibility was expressed with phrases like 知ることを得ず (cannot know).