ku-adjective (archaic)
Archaic classical Japanese adjective (ク活用). Equivalent to modern 堅い/固い/硬い (かたい). Found in classical texts; not used in modern speech.
See also: 硬い
In an old text, it says 'the stone is hard'.
Modern equivalent with a nuance of 'stiff, rigid'. 硬し is the corresponding archaic form.
Archaic kanji spelling for the classical adjective meaning 'hard, solid, tough'. The modern form is 堅い (かたい).
Alternate archaic kanji spelling, with a nuance closer to 'firm, steadfast'. Modern form: 固い (かたい).
Alternate archaic kanji spelling, with a nuance closer to 'stiff, rigid'. Modern form: 硬い (かたい).
Classical Japanese adjective. The modern form かたい developed through regular sound changes from the archaic かたし.