Wiktionary
aestiferous
a. 1 (context obsolete not comparable English) “turbulent as the tide”; “ebbing and flowing as the tide”.''An Universal Etymological English Dictionary'' by http://en.wikipedia.org/wiki/Nathan%20Bailey (1731),
ÆSTIʹFEROUS [''æstifer'', L.] ebbing and flowing as the tide. 2 (context comparable chiefly used figuratively English) produce much (aestival) heat.