noun which may take the genitive case particle 'no', na-adjective, noun
This is an incorrect variant of 時期尚早 (じきしょうそう). It is a common misspelling or misreading, but the standard form is 時期尚早.
See also: 時期尚早
"時期早尚" is a mistake for "時期尚早".
The correct and standard form meaning 'premature'. 時期早尚 is an incorrect variant.
A common misspelling or misreading of 時期尚早 (じきしょうそう), where the order of 早 and 尚 is reversed.