"state or condition of having two feet," 1897; see bipedal + -ism. Bipedality is from 1847.
Entries linking to bipedalism
bipedal adj.
c. 1600, "having two feet," from biped + -al (1). Classical Latin bipedalis meant "two feet long or thick."
-ism
word-forming element making nouns implying a practice, system, doctrine, etc., from French -isme or directly from Latin -isma, -ismus (source also of Italian, Spanish -ismo, Dutch, German -ismus), from Greek -ismos, noun ending signifying the practice or teaching of a thing, from the stem of verbs in -izein, a verb-forming element denoting the doing of the noun or adjective to which it is attached. For distinction of use, see -ity. The related Greek suffix -isma(t)- affects some forms.