"old kana": Synonym of 歴史的仮名遣い (rekishiteki kanazukai, “historical kana usage”)

difficult / hard, probably impossible

a category of Japanese syllabary scripts: kana / a syllabogram, an individual character belonging to one of the syllabaries: kana / a temporary name, an alias

to study / to learn

paleo-, old, used, previous

old things, original state, former state, old times / the old calendar based on a lunar system / used item, secondhand item

paleo-, ex-, old, previous, former

old; previous

a category of Japanese syllabary scripts: kana / a syllabogram, an individual character belonging to one of the syllabaries: kana

a category of Japanese syllabary scripts: kana / a syllabogram, an individual character belonging to one of the syllabaries: kana