Where does “tira” come from?

tira (Galician) comes from Old French tire, from Latin tyrius, from Latin Tyrus, from Ancient Greek τυρός, from Proto-Hellenic tūrós, from Proto-Indo-European tuh₂-ró-s, from Proto-Indo-European tewh₂- — to swell; to crowd; to be strong.

tira (Galician): strip; ribbon; shred; figwort

Definitions

strip; ribbon; shred; figwort

Ancestry of “tira”, step by step

Step	Language	Word	Meaning
1	Old French	tire	rank, sequence, order, kind; row; oriental cloth...
2	Latin	tyrius	Tyrian, of Tyre
3	Latin	Tyrus	Tyre
4	Ancient Greek	τυρός	cheese
5	Proto-Hellenic	tūrós	cheese
6	Proto-Indo-European	tuh₂-ró-s	—
7	Proto-Indo-European	tewh₂-	to swell; to crowd; to be strong

Every word from Proto-Indo-European tewh₂- →Every word from Proto-Indo-European tuh₂-ró-s →Every word from Proto-Hellenic tūrós →