Words related to steady

steadfast (adj.)
Old English stedefæst "secure in position, steady, firm in its place," from stede (see stead) + fæst (see fast (adj.)); similar formation in Middle Low German stedevast, Old Norse staðfastr "steadfast, firm; faithful, staunch, firm in one's mind." Of persons, in English, "unshakable, stubborn, resolute" from c. 1200. Related: Steadfastly, steadfastness.
stead (n.)

Old English stede "place, position; standing, firmness, stability, fixity," from Proto-Germanic *stadi- (source also of Old Saxon stedi, Old Norse staðr "place, spot; stop, pause; town," Swedish stad, Dutch stede "place," Old High German stat, German Stadt "town," Gothic staþs "place"), from PIE *steti-, suffixed form of root *sta- "to stand, make or be firm." Related to stand.

Now chiefly in compounds or phrases. Meaning "assistance, use, benefit, advantage" is from c. 1300. Meaning "frame on which a bed is laid" is from c. 1400. The German use of Stadt for "town, city" "is a late development from c. 1200 when the term began to replace Burg" [Cambridge Dictionary of English Place-Names]. The Steads was 16c. English for "the Hanseatic cities."

-y (2)
adjective suffix, "full of or characterized by," from Old English -ig, from Proto-Germanic *-iga- (source also of Dutch, Danish, German -ig, Gothic -egs), from PIE -(i)ko-, adjectival suffix, cognate with elements in Greek -ikos, Latin -icus (see -ic). Originally added to nouns in Old English; used from 13c. with verbs, and by 15c. even with other adjectives (for example crispy).
unsteady (adj.)
1590s, "not firm or secure in position," from un- (1) "not" + steady (adj.). Similar formation in Old Frisian unstadich, German unstätig, Middle Dutch onstadich. Meaning "marked by irregularity" is from 1680s. Related: Unsteadily (1550s).
unsteady (v.)
"make unsteady," 1530s, from un- (2) "reverse, opposite of" + steady (v.). Related: Unsteadied; unsteadying.