Other crossword clues for answer "PROTO"PROTOComes before plasmEarliest: Pref.Relating to a precursorOriginal: PrefixEarliest combinerBeginning beginning?First (prefix)Plasma beginningTypical beginning?Prefix with plasm or typePrefix for plasmPrefix with typeType introductionTypical introduction?Prefix meaning "first"First opening?Start to type?Typical start?First: Comb. form.Chief: Prefix.Prefix with fascismType precederType lead-inType openingType startLead-in meaning "original"Type or plasm attachmentType prefixPrefix with "type" or "plasm"Type of typePlasm varietyKind of typeBefore history or typeFirst, in combinationsPrefix with typical or humanStart for typical or human