Answer:

deca

AnswerCrossword Clue
DECATen, in combinations
DECATen: prefix
DECAPrecedes gram and meter
DECANumerical prefix in an Olympic event
DECANona- follower
DECATwice penta-
DECATwo times penta-?
DECATen: Prefix
DECATen: pref.
DECATen: Pref.
DECAPrefix with -gon
DECAMetric prefix
DECAGeometric prefix
DECAHalf of icosa-
DECAPod opening
DECANumerical prefix
DECAPod opening?
DECAPrefix meaning "ten"
DECATen up front?
DECATen, for openers?
DECAPod intro
DECAOcta- plus two
DECAPrefix with syllable or liter
DECANona- plus one
DECAMetric system prefix
DECAPrefix meaning "10"
DECATen, for openers
DECAWord form for "ten"
DECAPenta- doubled
DECAGeometry prefix
DECADuo- quintupled
DECATen: comb. form.
DECATen: Prefix.
DECATen: Comb. form.
DECANumerical combining form.
DECANumerical prefix.
DECAPrefix for logue.
DECAPrefix with pod or stere
DECATen: Comb. form
DECAPrefix for stitch or style