totter

[MikeLigalig.com]

totter
tot·ter [tóttər]
intransitive verb (past and past participle tot·tered, present participle tot·ter·ing, 3rd person present singular tot·ters)
1.  walk unsteadily: to move or walk unsteadily
2.  wobble: to sway or wobble as if about to fall
3.  be unstable: to be unstable or on the point of collapse
an economic system tottering on the brink of collapse

noun
wobbling gait: a wavering or wobbling gait

[13th century. Origin ?]

-tot·ter·er, noun
-tot·ter·ing·ly, adverb
-tot·ter·y, adjective