void (n.) Look up void at Dictionary.com
1610s, "unfilled space, gap," from void (adj.). Meaning "absolute empty space, vacuum" is from 1727.
void (v.) Look up void at Dictionary.com
"to clear" (some place, of something), c. 1300, from Anglo-French voider, Old French vuider "to empty, drain; to abandon, evacuate," from voide (see void (adj.)); meaning "to deprive (something) of legal validity" is attested from early 14c. Related: Voided; voiding.
void (adj.) Look up void at Dictionary.com
c. 1300, "unoccupied, vacant," from Anglo-French and Old French voide, viude "empty, vast, wide, hollow, waste, uncultivated, fallow," as a noun, "opening, hole; loss," from Latin vocivos "unoccupied, vacant," related to vacare "be empty," from PIE *wak-, extended form of root *eue- "to leave, abandon, give out." Meaning "lacking or wanting" (something) is recorded from early 15c. Meaning "legally invalid, without legal efficacy" is attested from mid-15c.