wards , ▁Ze us ▁transformed ▁Peg as us ▁into ▁the ▁e pon ym ous ▁const ell ation . ▁ ▁Et ym ology ▁▁ ▁The ▁poet ▁H es iod ▁presents ▁a ▁folk ▁et ym ology ▁of ▁the ▁name ▁Peg as us ▁as ▁derived ▁from ▁▁▁ ▁" spring , ▁well ": ▁" the ▁p eg ai ▁of ▁O ke anos , ▁where ▁he ▁was ▁born ." ▁ ▁A ▁proposed ▁et ym ology ▁of ▁the ▁name ▁is ▁Lu w ian ▁, ▁meaning ▁" light ning ", ▁and ▁, ▁a ▁local ▁Lu w ian - H itt ite ▁name ▁in ▁southern ▁C il icia ▁of ▁a ▁weather ▁god ▁represented ▁with ▁th under ▁and ▁light ning . ▁The ▁pro ponents ▁of ▁this ▁et ym ology ▁ad du ce ▁Peg as us ' ▁role , ▁reported ▁as ▁early ▁as ▁H es iod , ▁as ▁the ▁br inger ▁of ▁th under bol ts ▁to ▁Ze us . ▁It ▁was ▁first ▁suggested ▁in ▁ 1 9 5 2 ▁and ▁remains ▁widely ▁accepted , ▁but ▁Robin ▁Lane ▁Fox ▁( 2 0 0 9 ) ▁has ▁critic ized ▁it ▁as ▁imp laus ible . ▁ ▁Dr . ▁Michael ▁Brown , ▁who ▁has ▁been ▁studying ▁ancient ▁and ▁medieval ▁Greek ▁poetry ▁in ▁the ▁context ▁of ▁the ▁Greek - N orth ▁European ▁dialog ue , ▁and ▁has ▁concluded ▁from ▁it ▁that ▁the ▁word ▁" P eg as us " ▁is ▁a ▁pre - C elt ic - PI E ▁word , ▁one ▁which ▁did ▁not ▁evol ve ▁into ▁one ▁of ▁the ▁numerous ▁common ▁names ▁listed ▁in