Thy raiment
simlah (sim-law')
a dress, especially a mantle -- apparel, cloth(-es, -ing), garment, raiment.
waxed not old
balah (baw-law')
to fail; by implication to wear out, decay (causatively, consume, spend) -- consume, enjoy long, become (make, wax) old, spend, waste.
upon thee neither did thy foot
regel (reh'-gel)
a foot (as used in walking); by implication, a step; by euphem. the pudenda -- be able to endure, according as, after, coming, follow, (broken-)foot(-ed, -stool), great toe, haunt, journey, leg, piss, possession, time.
swell
batseq (baw-tsake')
perhaps to swell up, i.e. blister -- swell.
these forty
'arba`iym (ar-baw-eem')
forty -- forty.
years
shaneh (shaw-neh')
a year (as a revolution of time) -- + whole age, long, + old, year(-ly).