{Had been mindful} (emn(886d)oneuon)-- {would have had}
(eichon an). Condition of second class (note an in
conclusion) with the imperfect (not aorist) in both condition and
conclusion. So it means: "If they had continued mindful, they
would have kept on having (linear action in both cases in past
time). {Opportunity to return} (kairon anakampsai). Old verb
anakampt(935c) to bend back, to turn back ( Mt 2:12 ), here first
aorist active infinitive. Continual hankering would have found a
way. Cf. the Israelites in the wilderness yearning after Egypt.