Etymological roots are indicated by the sign ç.

Language groups are as follows: SKT: Sanscrt; E: Egyptian; HB: Hebrew; GK: Greek; L: Latin; AS: Anglo Saxon; ME: Middle English; OHG: Old High German; G: German; OFR: Old French; FR: French; IT: Italian; ICL: Icelandic; N: Nordic; SW: Swedish.

GK: ploion = sailor/vessel; ploos = sail/navigation; pluo = to flow/plunge; pleuo = to plunge through water, to pass in a vessel; pletho = to fill/imbue: to fulfill (in time), to accomplish; allied to pleon = abundance (plural); pleroo = make replete/accomplish/fulfil (pleroma = what is filled: container/performance/period). FR: pluie = rain; pleurer = weep. Cf. GK: nao/neo = to float; nautes = boatman (Noah); and naos/naio = to dwell; fane/shrine/temple (navel, nave).