hove (v.1) Look up hove at Dictionary.com
mid-13c., of birds, "remain suspended in air;" also generally, "to float, rise to the surface;" from c. 1300 as "wait in readiness or expectation;" late 14c. as "loom protectively over," also figurative, of unknown origin. In Middle English often of ships at anchor, standing off a coast. Common 13c.-16c., then superseded by its derivative, hover (v.)).
hove (v.2) Look up hove at Dictionary.com
"to rise up, to swell," 1590s, evidently from heave (v.), perhaps from its past tense form hove.