1/ kwa means “what”. Turned into qua: quest and wha: what. Also, quest ≈ quire (ask for, seek): require, and quire ≈ quer: conquer.
2/ quire ≈ quisite: acquisition, equisite (carefully sought out, top quality).
3/ qua derived qualis (“how” in Latin): quality. quantus is “how big”: quantity. quotus is “where”: quote.
4/ Grimm’s law http://bit.ly/1QiD0aU covers sound shifts in classic languages. E.g. por≈per≈fer≈pro≈pre, all meaning “go thru/forward.”
5/ por (let it go thru): port, report, important - important enough to let it in (im + port). support = sup (from below) + port (carry).
6/ Sport used to be “disport” = dis (away from) + port (entrance ≈ place to go thru).
7/ por ≈ par/pear: appear (it came thru and became visible), transparent (through + appear).
8/ per + mit (send) = permit. per ≈ fer: ferry (cross the sea). fer ≈ far: fare ($ to cross). con (everyone) + fer (go) = conference.