expression, nidan verb with 'u' ending (archaic)
can do; may do; be capable of doing
Literary or formal expression meaning 'can do' or 'is capable of doing'. Attaches to the continuative form (連用形) of verbs. Equivalent to することができる or the potential form, but more formal and often found in written language.
See also: 得る (うる)
彼はどんな困難も乗り越えし得る人物だ。
He is a person who can overcome any difficulty.
この問題は解決し得るだろうか。
Can this problem be solved, I wonder?