late 14c., from tip (n.1) + toe (n.). As an adverb from 1590s; as a verb from 1630s. Related: Tiptoes (late 14c.), also tiptoon; tip-toed. Tippy-toes is from 1820.
standing tiptoe
moving with tiptoe steps
tipple
tippler
tipstaff
tipster
tipsy
tiptoe
tip-top
tirade
tire
tired
tiredness