I feared (ephoboumēn). Imperfect middle, I continued to fear.
Austere (austēros). Old Greek word from auō, to dry up. Reproduced in Latin austeros and English austere. It means rough to the taste, stringent. Here only in the N.T. Compare sklēros (hard) in Mat 25:24. “Harsh in flavour, then in disposition” (Bruce).
Thou layedst not down (ouk ethēkas). Probably a proverb for a grasping profiteer.