I don’t know what “squyrde” is, but it doesn’t show up in any etymological source I’ve ever seen.

For example:

squid (n.)

“ten-armed marine mollusk, cuttlefish,” 1610s, a word of unknown origin. Klein’s sources suggest it is a sailors’ variant of squirt and so called for the “ink” it jets.

https://www.etymonline.com/word/squid