Old English grund "bottom, foundation, ground, surface of the earth," especially "bottom of the sea" (a sense preserved in run aground), from Proto-Germanic *grundus, which seems to have meant "deep place" (cf. Old Frisian, Old Saxon, Danish, Swedish grund, Dutch grond, Old High German grunt, German Grund "ground, soil, bottom;" Old Norse grunn "a shallow place," grund "field, plain," grunnr "bottom"). No known cognates outside Germanic. Sense of "reason, motive" first attested c.1200; electrical sense is from 1870.
mid-13c., "to put on the ground, to strike down to the ground," from ground (n.). Of ships, "to run into the ground," from mid-15c. Meaning "to base" (an argument, sermon, etc.) is late 14c. Meaning "deny privileges" is 1940s, originally a punishment meted out to pilots (in which sense it is attested from 1930). Related: Grounded; grounding.
"reduced to fine particles by grinding," 1765, past participle adjective from grind.
Old English giefan (W. Saxon) "to give, bestow; allot, grant; commit, devote, entrust," class V strong verb (past tense geaf, past participle giefen), from Proto-Germanic *gebanan (cf. Old Frisian jeva, Middle Dutch gheven, Dutch geven, Old High German geban, German geben, Gothic giban), from PIE *ghabh- "to take, hold, have, give" (see habit). It became yiven in Middle English, but changed to guttural "g" by influence of Old Norse gefa "to give," Old Danish givæ. Meaning "to yield to pressure" is from 1570s.
Give in "yield" is from 1610s; give out is mid-14c., "publish, announce;" meaning "run out, break down" is from 1520s. Give up "surrender" is mid-12c. To give (someone) a cold seems to reflect the old belief that one could be cured of disease by deliberately infecting others. What gives? "what is happening?" is attested from 1940. Give-and-take (n.) is originally from horse racing (1769) and refers to races in which bigger horses were given more weight to carry, lighter ones less. General sense attested by 1778.
A command to speak, to explain, etc: She said, ''Give!,'' so I told all (1956+)