Prefix meaning 'both' or 'two together'. Used in a few set expressions like もろ手 (both hands) or もろ刃 (double-edged).
もろ手を挙げて賛成する。
I raise both hands in agreement.
Only when written 諸
Prefix meaning 'many', 'various', or 'all'. Found in words like もろもろ (various things) and もろ人 (all people). The kanji 諸 is associated with this sense.
I was delayed due to various circumstances.
両方 is the everyday noun for 'both', while もろ is an archaic prefix used only in set compounds like もろ手.
共に is the common adverb for 'together', whereas もろ is a rare literary prefix seen in words like もろ寝 (sleeping together).
片方 means 'one side/one of a pair', the opposite of もろ's 'both' sense as in もろ手 (both hands) vs 片方の手 (one hand).
両 (as in 両手) and もろ (as in もろ手) both mean 'both' as prefixes, but 両 is the common, productive form while もろ is archaic and limited to a few set words.
various things; all sorts of things; many things
completely; directly; head-on
double-edged; double-beveled · double-edged blade
together; along with
main fermenting mash; moromi mash · unrefined; rough; crude
Usually written in kana. The kanji spellings 諸, 両, 双 are rare and mainly seen in older or literary contexts.
Katakana spelling used for emphasis or in casual writing.
Kanji spelling for the 'many/various/all' and 'together' senses. Rare in modern usage.
Kanji spelling for the 'both' sense. Rare in modern usage.
Kanji spelling for the 'both' sense. Rare in modern usage.
The prefix もろ is of native Japanese origin, related to words like もろもろ (various) and もろい (brittle). The exact historical derivation is uncertain.
katana and wakizashi (worn together)
both knees
tea-room alcove decoration with hanging scroll and flowers · traditional room decoration with scrolls, incense, vases, and candlesticks