Where does “singrar” come from?

singrar (Old Portuguese) comes from Old French singler, from Old Norse segl, from Proto-Germanic seglą, from Proto-Germanic siglą.

Ancestry of “singrar”, step by step

StepLanguageWordMeaning
1Old Frenchsinglerto sail
2Old Norseseglsail
3Proto-Germanicsegląsheet; sail
4Proto-Germanicsiglą—
Every word from Proto-Germanic siglą →Every word from Proto-Germanic seglą →Every word from Old Norse segl →