ordinally
/ˈɔːdɪn(ə)li/ /ˈɔːdɪnəli/ /ˈɔːd(ə)n(ə)li/adverb
With regard to, or at the level of, orders in a taxonomic system; according to an ordinal number, system, etc.; on an ordinal scale; with regard to order.
Origin
Mid 19th century; earliest use found in The Edinburgh Review. From ordinal + -ly.